20366125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 27885312

約数和(自身を除く): 7519187

約数列:

[1, 5, 13, 25, 65, 83, 125, 151, 325, 415, 755, 1079, 1625, 1963, 2075, 3775, 5395, 9815, 10375, 12533, 18875, 26975, 49075, 62665, 134875, 162929, 245375, 313325, 814645, 1566625, 4073225, 20366125]

約数ペア:

[(1, 20366125), (5, 4073225), (13, 1566625), (25, 814645), (65, 313325), (83, 245375), (125, 162929), (151, 134875), (325, 62665), (415, 49075), (755, 26975), (1079, 18875), (1625, 12533), (1963, 10375), (2075, 9815), (3775, 5395)]