20407165

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2347}}^1$

素因数の和:2436

約数の個数: 16

約数和(自身を含む): 25696512

約数和(自身を除く): 5289347

約数列:

[1, 5, 37, 47, 185, 235, 1739, 2347, 8695, 11735, 86839, 110309, 434195, 551545, 4081433, 20407165]

約数ペア:

[(1, 20407165), (5, 4081433), (37, 551545), (47, 434195), (185, 110309), (235, 86839), (1739, 11735), (2347, 8695)]