20129404475

素因数分解:

$5^2\times {\mathrm{4951}}^1\times {\mathrm{162629}}^1$

素因数の和:167590

約数の個数: 12

約数和(自身を含む): 24965656560

約数和(自身を除く): 4836252085

約数列:

[1, 5, 25, 4951, 24755, 123775, 162629, 813145, 4065725, 805176179, 4025880895, 20129404475]

約数ペア:

[(1, 20129404475), (5, 4025880895), (25, 805176179), (4951, 4065725), (24755, 813145), (123775, 162629)]