20957056

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9631}}^1$

素因数の和:9662

約数の個数: 32

約数和(自身を含む): 44210880

約数和(自身を除く): 23253824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9631, 19262, 38524, 77048, 154096, 163727, 308192, 327454, 616384, 654908, 1232768, 1309816, 2619632, 5239264, 10478528, 20957056]

約数ペア:

[(1, 20957056), (2, 10478528), (4, 5239264), (8, 2619632), (16, 1309816), (17, 1232768), (32, 654908), (34, 616384), (64, 327454), (68, 308192), (128, 163727), (136, 154096), (272, 77048), (544, 38524), (1088, 19262), (2176, 9631)]