20129906

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:769

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 10568014

約数列:

[1, 2, 101, 202, 227, 439, 454, 878, 22927, 44339, 45854, 88678, 99653, 199306, 10064953, 20129906]

約数ペア:

[(1, 20129906), (2, 10064953), (101, 199306), (202, 99653), (227, 88678), (439, 45854), (454, 44339), (878, 22927)]