20102750

素因数分解:

$2^1\times 5^3\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 37919232

約数和(自身を除く): 17816482

約数列:

[1, 2, 5, 10, 25, 50, 125, 191, 250, 382, 421, 842, 955, 1910, 2105, 4210, 4775, 9550, 10525, 21050, 23875, 47750, 52625, 80411, 105250, 160822, 402055, 804110, 2010275, 4020550, 10051375, 20102750]

約数ペア:

[(1, 20102750), (2, 10051375), (5, 4020550), (10, 2010275), (25, 804110), (50, 402055), (125, 160822), (191, 105250), (250, 80411), (382, 52625), (421, 47750), (842, 23875), (955, 21050), (1910, 10525), (2105, 9550), (4210, 4775)]