13444310020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21684371}}^1$

素因数の和:21684411

約数の個数: 24

約数和(自身を含む): 29143795968

約数和(自身を除く): 15699485948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21684371, 43368742, 86737484, 108421855, 216843710, 433687420, 672215501, 1344431002, 2688862004, 3361077505, 6722155010, 13444310020]

約数ペア:

[(1, 13444310020), (2, 6722155010), (4, 3361077505), (5, 2688862004), (10, 1344431002), (20, 672215501), (31, 433687420), (62, 216843710), (124, 108421855), (155, 86737484), (310, 43368742), (620, 21684371)]