20098665

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6473}}^1$

素因数の和:6510

約数の個数: 32

約数和(自身を含む): 37290240

約数和(自身を除く): 17191575

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6473, 19419, 32365, 58257, 97095, 148879, 174771, 291285, 446637, 744395, 873855, 1339911, 2233185, 4019733, 6699555, 20098665]

約数ペア:

[(1, 20098665), (3, 6699555), (5, 4019733), (9, 2233185), (15, 1339911), (23, 873855), (27, 744395), (45, 446637), (69, 291285), (115, 174771), (135, 148879), (207, 97095), (345, 58257), (621, 32365), (1035, 19419), (3105, 6473)]