20238873

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2141}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 28377216

約数和(自身を除く): 8138343

約数列:

[1, 3, 23, 69, 137, 411, 2141, 3151, 6423, 9453, 49243, 147729, 293317, 879951, 6746291, 20238873]

約数ペア:

[(1, 20238873), (3, 6746291), (23, 879951), (69, 293317), (137, 147729), (411, 49243), (2141, 9453), (3151, 6423)]