20157992

素因数分解:

$2^3\times {\mathrm{337}}^1\times {\mathrm{7477}}^1$

素因数の和:7820

約数の個数: 16

約数和(自身を含む): 37913460

約数和(自身を除く): 17755468

約数列:

[1, 2, 4, 8, 337, 674, 1348, 2696, 7477, 14954, 29908, 59816, 2519749, 5039498, 10078996, 20157992]

約数ペア:

[(1, 20157992), (2, 10078996), (4, 5039498), (8, 2519749), (337, 59816), (674, 29908), (1348, 14954), (2696, 7477)]