20281569320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4922711}}^1$

素因数の和:4922825

約数の個数: 32

約数和(自身を含む): 46076584320

約数和(自身を除く): 25795015000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4922711, 9845422, 19690844, 24613555, 39381688, 49227110, 98454220, 196908440, 507039233, 1014078466, 2028156932, 2535196165, 4056313864, 5070392330, 10140784660, 20281569320]

約数ペア:

[(1, 20281569320), (2, 10140784660), (4, 5070392330), (5, 4056313864), (8, 2535196165), (10, 2028156932), (20, 1014078466), (40, 507039233), (103, 196908440), (206, 98454220), (412, 49227110), (515, 39381688), (824, 24613555), (1030, 19690844), (2060, 9845422), (4120, 4922711)]