20863352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153407}}^1$

素因数の和:153430

約数の個数: 16

約数和(自身を含む): 41420160

約数和(自身を除く): 20556808

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153407, 306814, 613628, 1227256, 2607919, 5215838, 10431676, 20863352]

約数ペア:

[(1, 20863352), (2, 10431676), (4, 5215838), (8, 2607919), (17, 1227256), (34, 613628), (68, 306814), (136, 153407)]