20653591

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 3473897

約数列:

[1, 7, 101, 131, 223, 707, 917, 1561, 13231, 22523, 29213, 92617, 157661, 204491, 2950513, 20653591]

約数ペア:

[(1, 20653591), (7, 2950513), (101, 204491), (131, 157661), (223, 92617), (707, 29213), (917, 22523), (1561, 13231)]