20137059640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1\times {\mathrm{20297}}^1$

素因数の和:21784

約数の個数: 64

約数和(自身を含む): 48008829600

約数和(自身を除く): 27871769960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1459, 2918, 5836, 7295, 11672, 14590, 20297, 24803, 29180, 40594, 49606, 58360, 81188, 99212, 101485, 124015, 162376, 198424, 202970, 248030, 345049, 405940, 496060, 690098, 811880, 992120, 1380196, 1725245, 2760392, 3450490, 6900980, 13801960, 29613323, 59226646, 118453292, 148066615, 236906584, 296133230, 503426491, 592266460, 1006852982, 1184532920, 2013705964, 2517132455, 4027411928, 5034264910, 10068529820, 20137059640]

約数ペア:

[(1, 20137059640), (2, 10068529820), (4, 5034264910), (5, 4027411928), (8, 2517132455), (10, 2013705964), (17, 1184532920), (20, 1006852982), (34, 592266460), (40, 503426491), (68, 296133230), (85, 236906584), (136, 148066615), (170, 118453292), (340, 59226646), (680, 29613323), (1459, 13801960), (2918, 6900980), (5836, 3450490), (7295, 2760392), (11672, 1725245), (14590, 1380196), (20297, 992120), (24803, 811880), (29180, 690098), (40594, 496060), (49606, 405940), (58360, 345049), (81188, 248030), (99212, 202970), (101485, 198424), (124015, 162376)]