About the Number
20808101880
2進数表記:10011011000010000100110111111111000
漢数字表記:二百八億八百十万千八百八十
素因数分解:
素因数の和:1883
約数の個数: 256
約数和(自身を含む): 71327692800
約数和(自身を除く): 50519590920
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 311, 328, 360, 369, 410, 492, 540, 615, 622, 738, 820, 933, 984, 1080, 1107, 1230, 1244, 1476, 1511, 1555, 1640, 1845, 1866, 2214, 2460, 2488, 2799, 2952, 3022, 3110, 3690, 3732, 4428, 4533, 4665, 4920, 5535, 5598, 6044, 6220, 7380, 7464, 7555, 8397, 8856, 9066, 9330, 11070, 11196, 12088, 12440, 12751, 13599, 13995, 14760, 15110, 16794, 18132, 18660, 22140, 22392, 22665, 25502, 27198, 27990, 30220, 33588, 36264, 37320, 38253, 40797, 41985, 44280, 45330, 51004, 54396, 55980, 60440, 61951, 63755, 67176, 67995, 76506, 81594, 83970, 90660, 102008, 108792, 111960, 114759, 123902, 127510, 135990, 153012, 163188, 167940, 181320, 185853, 191265, 203985, 229518, 247804, 255020, 271980, 306024, 309755, 326376, 335880, 344277, 371706, 382530, 407970, 459036, 469921, 495608, 510040, 543960, 557559, 573795, 619510, 688554, 743412, 765060, 815940, 918072, 929265, 939842, 1115118, 1147590, 1239020, 1377108, 1409763, 1486824, 1530120, 1631880, 1672677, 1721385, 1858530, 1879684, 2230236, 2295180, 2349605, 2478040, 2754216, 2787795, 2819526, 3345354, 3442770, 3717060, 3759368, 4229289, 4460472, 4590360, 4699210, 5575590, 5639052, 6690708, 6885540, 7048815, 7434120, 8363385, 8458578, 9398420, 11151180, 11278104, 12687867, 13381416, 13771080, 14097630, 16726770, 16917156, 18796840, 19266761, 21146445, 22302360, 25375734, 28195260, 33453540, 33834312, 38533522, 42292890, 50751468, 56390520, 57800283, 63439335, 66907080, 77067044, 84585780, 96333805, 101502936, 115600566, 126878670, 154134088, 169171560, 173400849, 192667610, 231201132, 253757340, 289001415, 346801698, 385335220, 462402264, 507514680, 520202547, 578002830, 693603396, 770670440, 867004245, 1040405094, 1156005660, 1387206792, 1734008490, 2080810188, 2312011320, 2601012735, 3468016980, 4161620376, 5202025470, 6936033960, 10404050940, 20808101880]
約数ペア:
[(1, 20808101880), (2, 10404050940), (3, 6936033960), (4, 5202025470), (5, 4161620376), (6, 3468016980), (8, 2601012735), (9, 2312011320), (10, 2080810188), (12, 1734008490), (15, 1387206792), (18, 1156005660), (20, 1040405094), (24, 867004245), (27, 770670440), (30, 693603396), (36, 578002830), (40, 520202547), (41, 507514680), (45, 462402264), (54, 385335220), (60, 346801698), (72, 289001415), (82, 253757340), (90, 231201132), (108, 192667610), (120, 173400849), (123, 169171560), (135, 154134088), (164, 126878670), (180, 115600566), (205, 101502936), (216, 96333805), (246, 84585780), (270, 77067044), (311, 66907080), (328, 63439335), (360, 57800283), (369, 56390520), (410, 50751468), (492, 42292890), (540, 38533522), (615, 33834312), (622, 33453540), (738, 28195260), (820, 25375734), (933, 22302360), (984, 21146445), (1080, 19266761), (1107, 18796840), (1230, 16917156), (1244, 16726770), (1476, 14097630), (1511, 13771080), (1555, 13381416), (1640, 12687867), (1845, 11278104), (1866, 11151180), (2214, 9398420), (2460, 8458578), (2488, 8363385), (2799, 7434120), (2952, 7048815), (3022, 6885540), (3110, 6690708), (3690, 5639052), (3732, 5575590), (4428, 4699210), (4533, 4590360), (4665, 4460472), (4920, 4229289), (5535, 3759368), (5598, 3717060), (6044, 3442770), (6220, 3345354), (7380, 2819526), (7464, 2787795), (7555, 2754216), (8397, 2478040), (8856, 2349605), (9066, 2295180), (9330, 2230236), (11070, 1879684), (11196, 1858530), (12088, 1721385), (12440, 1672677), (12751, 1631880), (13599, 1530120), (13995, 1486824), (14760, 1409763), (15110, 1377108), (16794, 1239020), (18132, 1147590), (18660, 1115118), (22140, 939842), (22392, 929265), (22665, 918072), (25502, 815940), (27198, 765060), (27990, 743412), (30220, 688554), (33588, 619510), (36264, 573795), (37320, 557559), (38253, 543960), (40797, 510040), (41985, 495608), (44280, 469921), (45330, 459036), (51004, 407970), (54396, 382530), (55980, 371706), (60440, 344277), (61951, 335880), (63755, 326376), (67176, 309755), (67995, 306024), (76506, 271980), (81594, 255020), (83970, 247804), (90660, 229518), (102008, 203985), (108792, 191265), (111960, 185853), (114759, 181320), (123902, 167940), (127510, 163188), (135990, 153012)]このpageの処理時間: 0.38651132583618164 seconds