20111816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{147881}}^1$

素因数の和:147904

約数の個数: 16

約数和(自身を含む): 39928140

約数和(自身を除く): 19816324

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 147881, 295762, 591524, 1183048, 2513977, 5027954, 10055908, 20111816]

約数ペア:

[(1, 20111816), (2, 10055908), (4, 5027954), (8, 2513977), (17, 1183048), (34, 591524), (68, 295762), (136, 147881)]