20642461

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 24819840

約数和(自身を除く): 4177379

約数列:

[1, 7, 29, 61, 203, 427, 1667, 1769, 11669, 12383, 48343, 101687, 338401, 711809, 2948923, 20642461]

約数ペア:

[(1, 20642461), (7, 2948923), (29, 711809), (61, 338401), (203, 101687), (427, 48343), (1667, 12383), (1769, 11669)]