20368216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3923}}^1$

素因数の和:3999

約数の個数: 32

約数和(自身を含む): 42379200

約数和(自身を除く): 22010984

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3923, 5192, 7846, 15692, 31384, 43153, 86306, 172612, 231457, 345224, 462914, 925828, 1851656, 2546027, 5092054, 10184108, 20368216]

約数ペア:

[(1, 20368216), (2, 10184108), (4, 5092054), (8, 2546027), (11, 1851656), (22, 925828), (44, 462914), (59, 345224), (88, 231457), (118, 172612), (236, 86306), (472, 43153), (649, 31384), (1298, 15692), (2596, 7846), (3923, 5192)]