20095020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 52480980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 85, 90, 99, 102, 108, 110, 132, 135, 153, 165, 170, 180, 187, 198, 199, 204, 220, 255, 270, 297, 306, 330, 340, 374, 396, 398, 459, 495, 510, 540, 561, 594, 597, 612, 660, 748, 765, 796, 918, 935, 990, 995, 1020, 1122, 1188, 1194, 1485, 1530, 1683, 1791, 1836, 1870, 1980, 1990, 2189, 2244, 2295, 2388, 2805, 2970, 2985, 3060, 3366, 3383, 3582, 3740, 3980, 4378, 4590, 5049, 5373, 5610, 5940, 5970, 6567, 6732, 6766, 7164, 8415, 8756, 8955, 9180, 10098, 10149, 10746, 10945, 11220, 11940, 13134, 13532, 16830, 16915, 17910, 19701, 20196, 20298, 21492, 21890, 25245, 26268, 26865, 30447, 32835, 33660, 33830, 35820, 37213, 39402, 40596, 43780, 50490, 50745, 53730, 59103, 60894, 65670, 67660, 74426, 78804, 91341, 98505, 100980, 101490, 107460, 111639, 118206, 121788, 131340, 148852, 152235, 182682, 186065, 197010, 202980, 223278, 236412, 295515, 304470, 334917, 365364, 372130, 394020, 446556, 456705, 558195, 591030, 608940, 669834, 744260, 913410, 1004751, 1116390, 1182060, 1339668, 1674585, 1826820, 2009502, 2232780, 3349170, 4019004, 5023755, 6698340, 10047510, 20095020]

約数ペア:

[(1, 20095020), (2, 10047510), (3, 6698340), (4, 5023755), (5, 4019004), (6, 3349170), (9, 2232780), (10, 2009502), (11, 1826820), (12, 1674585), (15, 1339668), (17, 1182060), (18, 1116390), (20, 1004751), (22, 913410), (27, 744260), (30, 669834), (33, 608940), (34, 591030), (36, 558195), (44, 456705), (45, 446556), (51, 394020), (54, 372130), (55, 365364), (60, 334917), (66, 304470), (68, 295515), (85, 236412), (90, 223278), (99, 202980), (102, 197010), (108, 186065), (110, 182682), (132, 152235), (135, 148852), (153, 131340), (165, 121788), (170, 118206), (180, 111639), (187, 107460), (198, 101490), (199, 100980), (204, 98505), (220, 91341), (255, 78804), (270, 74426), (297, 67660), (306, 65670), (330, 60894), (340, 59103), (374, 53730), (396, 50745), (398, 50490), (459, 43780), (495, 40596), (510, 39402), (540, 37213), (561, 35820), (594, 33830), (597, 33660), (612, 32835), (660, 30447), (748, 26865), (765, 26268), (796, 25245), (918, 21890), (935, 21492), (990, 20298), (995, 20196), (1020, 19701), (1122, 17910), (1188, 16915), (1194, 16830), (1485, 13532), (1530, 13134), (1683, 11940), (1791, 11220), (1836, 10945), (1870, 10746), (1980, 10149), (1990, 10098), (2189, 9180), (2244, 8955), (2295, 8756), (2388, 8415), (2805, 7164), (2970, 6766), (2985, 6732), (3060, 6567), (3366, 5970), (3383, 5940), (3582, 5610), (3740, 5373), (3980, 5049), (4378, 4590)]