20358273

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3457}}^1$

素因数の和:3624

約数の個数: 16

約数和(自身を含む): 29434496

約数和(自身を除く): 9076223

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3457, 5889, 10371, 44941, 134823, 522007, 1566021, 6786091, 20358273]

約数ペア:

[(1, 20358273), (3, 6786091), (13, 1566021), (39, 522007), (151, 134823), (453, 44941), (1963, 10371), (3457, 5889)]