20400099251

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{352949}}^1$

素因数の和:353338

約数の個数: 16

約数和(自身を含む): 24395904000

約数和(自身を除く): 3995804749

約数列:

[1, 7, 23, 161, 359, 2513, 8257, 57799, 352949, 2470643, 8117827, 56824789, 126708691, 886960837, 2914299893, 20400099251]

約数ペア:

[(1, 20400099251), (7, 2914299893), (23, 886960837), (161, 126708691), (359, 56824789), (2513, 8117827), (8257, 2470643), (57799, 352949)]