20877618

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4326

約数の個数: 32

約数和(自身を含む): 44985600

約数和(自身を除く): 24107982

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4259, 4902, 8518, 12777, 25554, 80921, 161842, 183137, 242763, 366274, 485526, 549411, 1098822, 3479603, 6959206, 10438809, 20877618]

約数ペア:

[(1, 20877618), (2, 10438809), (3, 6959206), (6, 3479603), (19, 1098822), (38, 549411), (43, 485526), (57, 366274), (86, 242763), (114, 183137), (129, 161842), (258, 80921), (817, 25554), (1634, 12777), (2451, 8518), (4259, 4902)]