20382282440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{2663}}^1$

素因数の和:3087

約数の個数: 128

約数和(自身を含む): 50752396800

約数和(自身を除く): 30370114360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 359, 410, 520, 533, 718, 820, 1066, 1436, 1640, 1795, 2132, 2663, 2665, 2872, 3590, 4264, 4667, 5326, 5330, 7180, 9334, 10652, 10660, 13315, 14360, 14719, 18668, 21304, 21320, 23335, 26630, 29438, 34619, 37336, 46670, 53260, 58876, 69238, 73595, 93340, 106520, 109183, 117752, 138476, 147190, 173095, 186680, 191347, 218366, 276952, 294380, 346190, 382694, 436732, 545915, 588760, 692380, 765388, 873464, 956017, 956735, 1091830, 1384760, 1419379, 1530776, 1912034, 1913470, 2183660, 2838758, 3824068, 3826940, 4367320, 4780085, 5677516, 7096895, 7648136, 7653880, 9560170, 11355032, 12428221, 14193790, 19120340, 24856442, 28387580, 38240680, 39196697, 49712884, 56775160, 62141105, 78393394, 99425768, 124282210, 156786788, 195983485, 248564420, 313573576, 391966970, 497128840, 509557061, 783933940, 1019114122, 1567867880, 2038228244, 2547785305, 4076456488, 5095570610, 10191141220, 20382282440]

約数ペア:

[(1, 20382282440), (2, 10191141220), (4, 5095570610), (5, 4076456488), (8, 2547785305), (10, 2038228244), (13, 1567867880), (20, 1019114122), (26, 783933940), (40, 509557061), (41, 497128840), (52, 391966970), (65, 313573576), (82, 248564420), (104, 195983485), (130, 156786788), (164, 124282210), (205, 99425768), (260, 78393394), (328, 62141105), (359, 56775160), (410, 49712884), (520, 39196697), (533, 38240680), (718, 28387580), (820, 24856442), (1066, 19120340), (1436, 14193790), (1640, 12428221), (1795, 11355032), (2132, 9560170), (2663, 7653880), (2665, 7648136), (2872, 7096895), (3590, 5677516), (4264, 4780085), (4667, 4367320), (5326, 3826940), (5330, 3824068), (7180, 2838758), (9334, 2183660), (10652, 1913470), (10660, 1912034), (13315, 1530776), (14360, 1419379), (14719, 1384760), (18668, 1091830), (21304, 956735), (21320, 956017), (23335, 873464), (26630, 765388), (29438, 692380), (34619, 588760), (37336, 545915), (46670, 436732), (53260, 382694), (58876, 346190), (69238, 294380), (73595, 276952), (93340, 218366), (106520, 191347), (109183, 186680), (117752, 173095), (138476, 147190)]