20816255700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{1637}}^1$

素因数の和:1927

約数の個数: 216

約数和(自身を含む): 66539491200

約数和(自身を除く): 45723235500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 71, 75, 90, 100, 142, 150, 180, 199, 213, 225, 284, 300, 355, 398, 426, 450, 597, 639, 710, 796, 852, 900, 995, 1065, 1194, 1278, 1420, 1637, 1775, 1791, 1990, 2130, 2388, 2556, 2985, 3195, 3274, 3550, 3582, 3980, 4260, 4911, 4975, 5325, 5970, 6390, 6548, 7100, 7164, 8185, 8955, 9822, 9950, 10650, 11940, 12780, 14129, 14733, 14925, 15975, 16370, 17910, 19644, 19900, 21300, 24555, 28258, 29466, 29850, 31950, 32740, 35820, 40925, 42387, 44775, 49110, 56516, 58932, 59700, 63900, 70645, 73665, 81850, 84774, 89550, 98220, 116227, 122775, 127161, 141290, 147330, 163700, 169548, 179100, 211935, 232454, 245550, 254322, 282580, 294660, 325763, 348681, 353225, 368325, 423870, 464908, 491100, 508644, 581135, 635805, 651526, 697362, 706450, 736650, 847740, 977289, 1046043, 1059675, 1162270, 1271610, 1303052, 1394724, 1412900, 1473300, 1628815, 1743405, 1954578, 2092086, 2119350, 2324540, 2543220, 2905675, 2931867, 3179025, 3257630, 3486810, 3909156, 4184172, 4238700, 4886445, 5230215, 5811350, 5863734, 6358050, 6515260, 6973620, 8144075, 8717025, 9772890, 10460430, 11622700, 11727468, 12716100, 14659335, 16288150, 17434050, 19545780, 20920860, 23129173, 24432225, 26151075, 29318670, 32576300, 34868100, 46258346, 48864450, 52302150, 58637340, 69387519, 73296675, 92516692, 97728900, 104604300, 115645865, 138775038, 146593350, 208162557, 231291730, 277550076, 293186700, 346937595, 416325114, 462583460, 578229325, 693875190, 832650228, 1040812785, 1156458650, 1387750380, 1734687975, 2081625570, 2312917300, 3469375950, 4163251140, 5204063925, 6938751900, 10408127850, 20816255700]

約数ペア:

[(1, 20816255700), (2, 10408127850), (3, 6938751900), (4, 5204063925), (5, 4163251140), (6, 3469375950), (9, 2312917300), (10, 2081625570), (12, 1734687975), (15, 1387750380), (18, 1156458650), (20, 1040812785), (25, 832650228), (30, 693875190), (36, 578229325), (45, 462583460), (50, 416325114), (60, 346937595), (71, 293186700), (75, 277550076), (90, 231291730), (100, 208162557), (142, 146593350), (150, 138775038), (180, 115645865), (199, 104604300), (213, 97728900), (225, 92516692), (284, 73296675), (300, 69387519), (355, 58637340), (398, 52302150), (426, 48864450), (450, 46258346), (597, 34868100), (639, 32576300), (710, 29318670), (796, 26151075), (852, 24432225), (900, 23129173), (995, 20920860), (1065, 19545780), (1194, 17434050), (1278, 16288150), (1420, 14659335), (1637, 12716100), (1775, 11727468), (1791, 11622700), (1990, 10460430), (2130, 9772890), (2388, 8717025), (2556, 8144075), (2985, 6973620), (3195, 6515260), (3274, 6358050), (3550, 5863734), (3582, 5811350), (3980, 5230215), (4260, 4886445), (4911, 4238700), (4975, 4184172), (5325, 3909156), (5970, 3486810), (6390, 3257630), (6548, 3179025), (7100, 2931867), (7164, 2905675), (8185, 2543220), (8955, 2324540), (9822, 2119350), (9950, 2092086), (10650, 1954578), (11940, 1743405), (12780, 1628815), (14129, 1473300), (14733, 1412900), (14925, 1394724), (15975, 1303052), (16370, 1271610), (17910, 1162270), (19644, 1059675), (19900, 1046043), (21300, 977289), (24555, 847740), (28258, 736650), (29466, 706450), (29850, 697362), (31950, 651526), (32740, 635805), (35820, 581135), (40925, 508644), (42387, 491100), (44775, 464908), (49110, 423870), (56516, 368325), (58932, 353225), (59700, 348681), (63900, 325763), (70645, 294660), (73665, 282580), (81850, 254322), (84774, 245550), (89550, 232454), (98220, 211935), (116227, 179100), (122775, 169548), (127161, 163700), (141290, 147330)]