20129384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3877}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 41882400

約数和(自身を除く): 21753016

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3877, 5192, 7754, 15508, 31016, 42647, 85294, 170588, 228743, 341176, 457486, 914972, 1829944, 2516173, 5032346, 10064692, 20129384]

約数ペア:

[(1, 20129384), (2, 10064692), (4, 5032346), (8, 2516173), (11, 1829944), (22, 914972), (44, 457486), (59, 341176), (88, 228743), (118, 170588), (236, 85294), (472, 42647), (649, 31016), (1298, 15508), (2596, 7754), (3877, 5192)]