20100842980

素因数分解:

$2^2\times 5^1\times {\mathrm{3469}}^1\times {\mathrm{289721}}^1$

素因数の和:293199

約数の個数: 24

約数和(自身を含む): 42224084280

約数和(自身を除く): 22123241300

約数列:

[1, 2, 4, 5, 10, 20, 3469, 6938, 13876, 17345, 34690, 69380, 289721, 579442, 1158884, 1448605, 2897210, 5794420, 1005042149, 2010084298, 4020168596, 5025210745, 10050421490, 20100842980]

約数ペア:

[(1, 20100842980), (2, 10050421490), (4, 5025210745), (5, 4020168596), (10, 2010084298), (20, 1005042149), (3469, 5794420), (6938, 2897210), (13876, 1448605), (17345, 1158884), (34690, 579442), (69380, 289721)]