20152117460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{46457}}^1$

素因数の和:46553

約数の個数: 72

約数和(自身を含む): 45319407336

約数和(自身を除く): 25167289876

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 529, 820, 943, 1058, 1886, 2116, 2645, 3772, 4715, 5290, 9430, 10580, 18860, 21689, 43378, 46457, 86756, 92914, 108445, 185828, 216890, 232285, 433780, 464570, 929140, 1068511, 1904737, 2137022, 3809474, 4274044, 5342555, 7618948, 9523685, 10685110, 19047370, 21370220, 24575753, 38094740, 43808951, 49151506, 87617902, 98303012, 122878765, 175235804, 219044755, 245757530, 438089510, 491515060, 876179020, 1007605873, 2015211746, 4030423492, 5038029365, 10076058730, 20152117460]

約数ペア:

[(1, 20152117460), (2, 10076058730), (4, 5038029365), (5, 4030423492), (10, 2015211746), (20, 1007605873), (23, 876179020), (41, 491515060), (46, 438089510), (82, 245757530), (92, 219044755), (115, 175235804), (164, 122878765), (205, 98303012), (230, 87617902), (410, 49151506), (460, 43808951), (529, 38094740), (820, 24575753), (943, 21370220), (1058, 19047370), (1886, 10685110), (2116, 9523685), (2645, 7618948), (3772, 5342555), (4715, 4274044), (5290, 3809474), (9430, 2137022), (10580, 1904737), (18860, 1068511), (21689, 929140), (43378, 464570), (46457, 433780), (86756, 232285), (92914, 216890), (108445, 185828)]