20186575216

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{3980003}}^1$

素因数の和:3980328

約数の個数: 20

約数和(自身を含む): 39234879432

約数和(自身を除く): 19048304216

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 3980003, 7960006, 15920012, 31840024, 63680048, 1261660951, 2523321902, 5046643804, 10093287608, 20186575216]

約数ペア:

[(1, 20186575216), (2, 10093287608), (4, 5046643804), (8, 2523321902), (16, 1261660951), (317, 63680048), (634, 31840024), (1268, 15920012), (2536, 7960006), (5072, 3980003)]