20329123940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2221}}^1\times {\mathrm{26921}}^1$

素因数の和:29168

約数の個数: 48

約数和(自身を含む): 45224437104

約数和(自身を除く): 24895313164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2221, 4442, 8884, 11105, 22210, 26921, 37757, 44420, 53842, 75514, 107684, 134605, 151028, 188785, 269210, 377570, 457657, 538420, 755140, 915314, 1830628, 2288285, 4576570, 9153140, 59791541, 119583082, 239166164, 298957705, 597915410, 1016456197, 1195830820, 2032912394, 4065824788, 5082280985, 10164561970, 20329123940]

約数ペア:

[(1, 20329123940), (2, 10164561970), (4, 5082280985), (5, 4065824788), (10, 2032912394), (17, 1195830820), (20, 1016456197), (34, 597915410), (68, 298957705), (85, 239166164), (170, 119583082), (340, 59791541), (2221, 9153140), (4442, 4576570), (8884, 2288285), (11105, 1830628), (22210, 915314), (26921, 755140), (37757, 538420), (44420, 457657), (53842, 377570), (75514, 269210), (107684, 188785), (134605, 151028)]