20043391

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 22249728

約数和(自身を除く): 2206337

約数列:

[1, 17, 31, 73, 521, 527, 1241, 2263, 8857, 16151, 38033, 38471, 274567, 646561, 1179023, 20043391]

約数ペア:

[(1, 20043391), (17, 1179023), (31, 646561), (73, 274567), (521, 38471), (527, 38033), (1241, 16151), (2263, 8857)]