20157877

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 1269323

約数列:

[1, 47, 61, 79, 89, 2867, 3713, 4183, 4819, 5429, 7031, 226493, 255163, 330457, 428891, 20157877]

約数ペア:

[(1, 20157877), (47, 428891), (61, 330457), (79, 255163), (89, 226493), (2867, 7031), (3713, 5429), (4183, 4819)]