20123642506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1\times {\mathrm{23159}}^1$

素因数の和:23610

約数の個数: 32

約数和(自身を含む): 33297039360

約数和(自身を除く): 13173396854

約数列:

[1, 2, 11, 22, 127, 254, 311, 622, 1397, 2794, 3421, 6842, 23159, 39497, 46318, 78994, 254749, 434467, 509498, 868934, 2941193, 5882386, 7202449, 14404898, 32353123, 64706246, 79226939, 158453878, 914711023, 1829422046, 10061821253, 20123642506]

約数ペア:

[(1, 20123642506), (2, 10061821253), (11, 1829422046), (22, 914711023), (127, 158453878), (254, 79226939), (311, 64706246), (622, 32353123), (1397, 14404898), (2794, 7202449), (3421, 5882386), (6842, 2941193), (23159, 868934), (39497, 509498), (46318, 434467), (78994, 254749)]