20455127

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 25603584

約数和(自身を除く): 5148457

約数列:

[1, 7, 11, 77, 421, 631, 2947, 4417, 4631, 6941, 32417, 48587, 265651, 1859557, 2922161, 20455127]

約数ペア:

[(1, 20455127), (7, 2922161), (11, 1859557), (77, 265651), (421, 48587), (631, 32417), (2947, 6941), (4417, 4631)]