20215764498

素因数分解:

$2^1\times 3^1\times {\mathrm{5273}}^1\times {\mathrm{638971}}^1$

素因数の和:644249

約数の個数: 16

約数和(自身を含む): 40439259936

約数和(自身を除く): 20223495438

約数列:

[1, 2, 3, 6, 5273, 10546, 15819, 31638, 638971, 1277942, 1916913, 3833826, 3369294083, 6738588166, 10107882249, 20215764498]

約数ペア:

[(1, 20215764498), (2, 10107882249), (3, 6738588166), (6, 3369294083), (5273, 3833826), (10546, 1916913), (15819, 1277942), (31638, 638971)]