20003966

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 30637440

約数和(自身を除く): 10633474

約数列:

[1, 2, 71, 142, 179, 358, 787, 1574, 12709, 25418, 55877, 111754, 140873, 281746, 10001983, 20003966]

約数ペア:

[(1, 20003966), (2, 10001983), (71, 281746), (142, 140873), (179, 111754), (358, 55877), (787, 25418), (1574, 12709)]