20618624

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12391}}^1$

素因数の和:12418

約数の個数: 32

約数和(自身を含む): 44239440

約数和(自身を除く): 23620816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12391, 24782, 49564, 99128, 161083, 198256, 322166, 396512, 644332, 793024, 1288664, 1586048, 2577328, 5154656, 10309312, 20618624]

約数ペア:

[(1, 20618624), (2, 10309312), (4, 5154656), (8, 2577328), (13, 1586048), (16, 1288664), (26, 793024), (32, 644332), (52, 396512), (64, 322166), (104, 198256), (128, 161083), (208, 99128), (416, 49564), (832, 24782), (1664, 12391)]