20016404960

素因数分解:

$2^5\times 5^1\times {\mathrm{11527}}^1\times {\mathrm{10853}}^1$

素因数の和:22395

約数の個数: 48

約数和(自身を含む): 47297216736

約数和(自身を除く): 27280811776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10853, 11527, 21706, 23054, 43412, 46108, 54265, 57635, 86824, 92216, 108530, 115270, 173648, 184432, 217060, 230540, 347296, 368864, 434120, 461080, 868240, 922160, 1736480, 1844320, 125102531, 250205062, 500410124, 625512655, 1000820248, 1251025310, 2001640496, 2502050620, 4003280992, 5004101240, 10008202480, 20016404960]

約数ペア:

[(1, 20016404960), (2, 10008202480), (4, 5004101240), (5, 4003280992), (8, 2502050620), (10, 2001640496), (16, 1251025310), (20, 1000820248), (32, 625512655), (40, 500410124), (80, 250205062), (160, 125102531), (10853, 1844320), (11527, 1736480), (21706, 922160), (23054, 868240), (43412, 461080), (46108, 434120), (54265, 368864), (57635, 347296), (86824, 230540), (92216, 217060), (108530, 184432), (115270, 173648)]