20165599060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{70841}}^1$

素因数の和:71224

約数の個数: 48

約数和(自身を含む): 43464117312

約数和(自身を除く): 23298518252

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 331, 430, 662, 860, 1324, 1655, 3310, 6620, 14233, 28466, 56932, 70841, 71165, 141682, 142330, 283364, 284660, 354205, 708410, 1416820, 3046163, 6092326, 12184652, 15230815, 23448371, 30461630, 46896742, 60923260, 93793484, 117241855, 234483710, 468967420, 1008279953, 2016559906, 4033119812, 5041399765, 10082799530, 20165599060]

約数ペア:

[(1, 20165599060), (2, 10082799530), (4, 5041399765), (5, 4033119812), (10, 2016559906), (20, 1008279953), (43, 468967420), (86, 234483710), (172, 117241855), (215, 93793484), (331, 60923260), (430, 46896742), (662, 30461630), (860, 23448371), (1324, 15230815), (1655, 12184652), (3310, 6092326), (6620, 3046163), (14233, 1416820), (28466, 708410), (56932, 354205), (70841, 284660), (71165, 283364), (141682, 142330)]