20862285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 14803635

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1031, 1065, 1349, 3093, 4047, 5155, 6745, 15465, 19589, 20235, 58767, 73201, 97945, 219603, 293835, 366005, 1098015, 1390819, 4172457, 6954095, 20862285]

約数ペア:

[(1, 20862285), (3, 6954095), (5, 4172457), (15, 1390819), (19, 1098015), (57, 366005), (71, 293835), (95, 219603), (213, 97945), (285, 73201), (355, 58767), (1031, 20235), (1065, 19589), (1349, 15465), (3093, 6745), (4047, 5155)]