20626424

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 49291200

約数和(自身を除く): 28664776

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 977, 1508, 1624, 1954, 2639, 3016, 3908, 5278, 6839, 7816, 10556, 12701, 13678, 21112, 25402, 27356, 28333, 50804, 54712, 56666, 88907, 101608, 113332, 177814, 198331, 226664, 355628, 368329, 396662, 711256, 736658, 793324, 1473316, 1586648, 2578303, 2946632, 5156606, 10313212, 20626424]

約数ペア:

[(1, 20626424), (2, 10313212), (4, 5156606), (7, 2946632), (8, 2578303), (13, 1586648), (14, 1473316), (26, 793324), (28, 736658), (29, 711256), (52, 396662), (56, 368329), (58, 355628), (91, 226664), (104, 198331), (116, 177814), (182, 113332), (203, 101608), (232, 88907), (364, 56666), (377, 54712), (406, 50804), (728, 28333), (754, 27356), (812, 25402), (977, 21112), (1508, 13678), (1624, 12701), (1954, 10556), (2639, 7816), (3016, 6839), (3908, 5278)]