17490820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28211}}^1$

素因数の和:28251

約数の個数: 24

約数和(自身を含む): 37916928

約数和(自身を除く): 20426108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 28211, 56422, 112844, 141055, 282110, 564220, 874541, 1749082, 3498164, 4372705, 8745410, 17490820]

約数ペア:

[(1, 17490820), (2, 8745410), (4, 4372705), (5, 3498164), (10, 1749082), (20, 874541), (31, 564220), (62, 282110), (124, 141055), (155, 112844), (310, 56422), (620, 28211)]