20123402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24967}}^1$

素因数の和:25013

約数の個数: 16

約数和(自身を含む): 33556992

約数和(自身を除く): 13433590

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24967, 49934, 324571, 649142, 773977, 1547954, 10061701, 20123402]

約数ペア:

[(1, 20123402), (2, 10061701), (13, 1547954), (26, 773977), (31, 649142), (62, 324571), (403, 49934), (806, 24967)]