20862672

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 58692672

約数和(自身を除く): 37830000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 37, 48, 51, 68, 74, 102, 111, 136, 148, 204, 222, 272, 296, 408, 444, 592, 629, 691, 816, 888, 1258, 1382, 1776, 1887, 2073, 2516, 2764, 3774, 4146, 5032, 5528, 7548, 8292, 10064, 11056, 11747, 15096, 16584, 23494, 25567, 30192, 33168, 35241, 46988, 51134, 70482, 76701, 93976, 102268, 140964, 153402, 187952, 204536, 281928, 306804, 409072, 434639, 563856, 613608, 869278, 1227216, 1303917, 1738556, 2607834, 3477112, 5215668, 6954224, 10431336, 20862672]

約数ペア:

[(1, 20862672), (2, 10431336), (3, 6954224), (4, 5215668), (6, 3477112), (8, 2607834), (12, 1738556), (16, 1303917), (17, 1227216), (24, 869278), (34, 613608), (37, 563856), (48, 434639), (51, 409072), (68, 306804), (74, 281928), (102, 204536), (111, 187952), (136, 153402), (148, 140964), (204, 102268), (222, 93976), (272, 76701), (296, 70482), (408, 51134), (444, 46988), (592, 35241), (629, 33168), (691, 30192), (816, 25567), (888, 23494), (1258, 16584), (1382, 15096), (1776, 11747), (1887, 11056), (2073, 10064), (2516, 8292), (2764, 7548), (3774, 5528), (4146, 5032)]