20112664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17581}}^1$

素因数の和:17611

約数の個数: 32

約数和(自身を含む): 44306640

約数和(自身を除く): 24193976

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17581, 35162, 70324, 140648, 193391, 228553, 386782, 457106, 773564, 914212, 1547128, 1828424, 2514083, 5028166, 10056332, 20112664]

約数ペア:

[(1, 20112664), (2, 10056332), (4, 5028166), (8, 2514083), (11, 1828424), (13, 1547128), (22, 914212), (26, 773564), (44, 457106), (52, 386782), (88, 228553), (104, 193391), (143, 140648), (286, 70324), (572, 35162), (1144, 17581)]