20201914

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1259}}^1$

素因数の和:1445

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 10824326

約数列:

[1, 2, 71, 113, 142, 226, 1259, 2518, 8023, 16046, 89389, 142267, 178778, 284534, 10100957, 20201914]

約数ペア:

[(1, 20201914), (2, 10100957), (71, 284534), (113, 178778), (142, 142267), (226, 89389), (1259, 16046), (2518, 8023)]