20120158345

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4388257}}^1$

素因数の和:4388400

約数の個数: 16

約数和(自身を含む): 27804002688

約数和(自身を除く): 7683844343

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 4388257, 21941285, 30717799, 153588995, 574861667, 2874308335, 4024031669, 20120158345]

約数ペア:

[(1, 20120158345), (5, 4024031669), (7, 2874308335), (35, 574861667), (131, 153588995), (655, 30717799), (917, 21941285), (4585, 4388257)]