20681898

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 22283094

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 251, 443, 502, 753, 886, 1329, 1506, 2658, 7781, 13733, 15562, 23343, 27466, 41199, 46686, 82398, 111193, 222386, 333579, 667158, 3446983, 6893966, 10340949, 20681898]

約数ペア:

[(1, 20681898), (2, 10340949), (3, 6893966), (6, 3446983), (31, 667158), (62, 333579), (93, 222386), (186, 111193), (251, 82398), (443, 46686), (502, 41199), (753, 27466), (886, 23343), (1329, 15562), (1506, 13733), (2658, 7781)]