20098325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 27775008

約数和(自身を除く): 7676683

約数列:

[1, 5, 13, 25, 65, 67, 71, 169, 325, 335, 355, 845, 871, 923, 1675, 1775, 4225, 4355, 4615, 4757, 11323, 11999, 21775, 23075, 23785, 56615, 59995, 61841, 118925, 283075, 299975, 309205, 803933, 1546025, 4019665, 20098325]

約数ペア:

[(1, 20098325), (5, 4019665), (13, 1546025), (25, 803933), (65, 309205), (67, 299975), (71, 283075), (169, 118925), (325, 61841), (335, 59995), (355, 56615), (845, 23785), (871, 23075), (923, 21775), (1675, 11999), (1775, 11323), (4225, 4757), (4355, 4615)]