20178356518

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1\times {\mathrm{164837}}^1$

素因数の和:165567

約数の個数: 16

約数和(自身を含む): 30628219104

約数和(自身を除く): 10449862586

約数列:

[1, 2, 97, 194, 631, 1262, 61207, 122414, 164837, 329674, 15989189, 31978378, 104012147, 208024294, 10089178259, 20178356518]

約数ペア:

[(1, 20178356518), (2, 10089178259), (97, 208024294), (194, 104012147), (631, 31978378), (1262, 15989189), (61207, 329674), (122414, 164837)]