20792165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 26251776

約数和(自身を除く): 5459611

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2531, 8215, 12655, 78461, 134143, 392305, 670715, 4158433, 20792165]

約数ペア:

[(1, 20792165), (5, 4158433), (31, 670715), (53, 392305), (155, 134143), (265, 78461), (1643, 12655), (2531, 8215)]