20903866

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:933

約数の個数: 16

約数和(自身を含む): 32000256

約数和(自身を除く): 11096390

約数列:

[1, 2, 67, 134, 257, 514, 607, 1214, 17219, 34438, 40669, 81338, 155999, 311998, 10451933, 20903866]

約数ペア:

[(1, 20903866), (2, 10451933), (67, 311998), (134, 155999), (257, 81338), (514, 40669), (607, 34438), (1214, 17219)]