20324460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 62318592

約数和(自身を除く): 41994132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 71, 78, 130, 142, 156, 195, 213, 260, 284, 355, 367, 390, 426, 710, 734, 780, 852, 923, 1065, 1101, 1420, 1468, 1835, 1846, 2130, 2202, 2769, 3670, 3692, 4260, 4404, 4615, 4771, 5505, 5538, 7340, 9230, 9542, 11010, 11076, 13845, 14313, 18460, 19084, 22020, 23855, 26057, 27690, 28626, 47710, 52114, 55380, 57252, 71565, 78171, 95420, 104228, 130285, 143130, 156342, 260570, 286260, 312684, 338741, 390855, 521140, 677482, 781710, 1016223, 1354964, 1563420, 1693705, 2032446, 3387410, 4064892, 5081115, 6774820, 10162230, 20324460]

約数ペア:

[(1, 20324460), (2, 10162230), (3, 6774820), (4, 5081115), (5, 4064892), (6, 3387410), (10, 2032446), (12, 1693705), (13, 1563420), (15, 1354964), (20, 1016223), (26, 781710), (30, 677482), (39, 521140), (52, 390855), (60, 338741), (65, 312684), (71, 286260), (78, 260570), (130, 156342), (142, 143130), (156, 130285), (195, 104228), (213, 95420), (260, 78171), (284, 71565), (355, 57252), (367, 55380), (390, 52114), (426, 47710), (710, 28626), (734, 27690), (780, 26057), (852, 23855), (923, 22020), (1065, 19084), (1101, 18460), (1420, 14313), (1468, 13845), (1835, 11076), (1846, 11010), (2130, 9542), (2202, 9230), (2769, 7340), (3670, 5538), (3692, 5505), (4260, 4771), (4404, 4615)]