20221447640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{725303}}^1$

素因数の和:725372

約数の個数: 64

約数和(自身を含む): 49349684160

約数和(自身を除く): 29128236520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 27880, 725303, 1450606, 2901212, 3626515, 5802424, 7253030, 12330151, 14506060, 24660302, 29012120, 29737423, 49320604, 59474846, 61650755, 98641208, 118949692, 123301510, 148687115, 237899384, 246603020, 297374230, 493206040, 505536191, 594748460, 1011072382, 1189496920, 2022144764, 2527680955, 4044289528, 5055361910, 10110723820, 20221447640]

約数ペア:

[(1, 20221447640), (2, 10110723820), (4, 5055361910), (5, 4044289528), (8, 2527680955), (10, 2022144764), (17, 1189496920), (20, 1011072382), (34, 594748460), (40, 505536191), (41, 493206040), (68, 297374230), (82, 246603020), (85, 237899384), (136, 148687115), (164, 123301510), (170, 118949692), (205, 98641208), (328, 61650755), (340, 59474846), (410, 49320604), (680, 29737423), (697, 29012120), (820, 24660302), (1394, 14506060), (1640, 12330151), (2788, 7253030), (3485, 5802424), (5576, 3626515), (6970, 2901212), (13940, 1450606), (27880, 725303)]