20112757

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 23726592

約数和(自身を除く): 3613835

約数列:

[1, 7, 47, 113, 329, 541, 791, 3787, 5311, 25427, 37177, 61133, 177989, 427931, 2873251, 20112757]

約数ペア:

[(1, 20112757), (7, 2873251), (47, 427931), (113, 177989), (329, 61133), (541, 37177), (791, 25427), (3787, 5311)]