20177366480

素因数分解:

$2^4\times 5^1\times {\mathrm{252217081}}^1$

素因数の和:252217094

約数の個数: 20

約数和(自身を含む): 46912377252

約数和(自身を除く): 26735010772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252217081, 504434162, 1008868324, 1261085405, 2017736648, 2522170810, 4035473296, 5044341620, 10088683240, 20177366480]

約数ペア:

[(1, 20177366480), (2, 10088683240), (4, 5044341620), (5, 4035473296), (8, 2522170810), (10, 2017736648), (16, 1261085405), (20, 1008868324), (40, 504434162), (80, 252217081)]