20413558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40343}}^1$

素因数の和:40379

約数の個数: 16

約数和(自身を含む): 34857216

約数和(自身を除く): 14443658

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40343, 80686, 443773, 887546, 927889, 1855778, 10206779, 20413558]

約数ペア:

[(1, 20413558), (2, 10206779), (11, 1855778), (22, 927889), (23, 887546), (46, 443773), (253, 80686), (506, 40343)]