20111912

素因数分解:

$2^3\times {\mathrm{577}}^1\times {\mathrm{4357}}^1$

素因数の和:4940

約数の個数: 16

約数和(自身を含む): 37783860

約数和(自身を除く): 17671948

約数列:

[1, 2, 4, 8, 577, 1154, 2308, 4357, 4616, 8714, 17428, 34856, 2513989, 5027978, 10055956, 20111912]

約数ペア:

[(1, 20111912), (2, 10055956), (4, 5027978), (8, 2513989), (577, 34856), (1154, 17428), (2308, 8714), (4357, 4616)]