201220528

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{63839}}^1$

素因数の和:64044

約数の個数: 20

約数和(自身を含む): 391849920

約数和(自身を除く): 190629392

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 63839, 127678, 255356, 510712, 1021424, 12576283, 25152566, 50305132, 100610264, 201220528]

約数ペア:

[(1, 201220528), (2, 100610264), (4, 50305132), (8, 25152566), (16, 12576283), (197, 1021424), (394, 510712), (788, 255356), (1576, 127678), (3152, 63839)]