20646120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15641}}^1$

素因数の和:15666

約数の個数: 64

約数和(自身を含む): 67573440

約数和(自身を除く): 46927320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15641, 31282, 46923, 62564, 78205, 93846, 125128, 156410, 172051, 187692, 234615, 312820, 344102, 375384, 469230, 516153, 625640, 688204, 860255, 938460, 1032306, 1376408, 1720510, 1876920, 2064612, 2580765, 3441020, 4129224, 5161530, 6882040, 10323060, 20646120]

約数ペア:

[(1, 20646120), (2, 10323060), (3, 6882040), (4, 5161530), (5, 4129224), (6, 3441020), (8, 2580765), (10, 2064612), (11, 1876920), (12, 1720510), (15, 1376408), (20, 1032306), (22, 938460), (24, 860255), (30, 688204), (33, 625640), (40, 516153), (44, 469230), (55, 375384), (60, 344102), (66, 312820), (88, 234615), (110, 187692), (120, 172051), (132, 156410), (165, 125128), (220, 93846), (264, 78205), (330, 62564), (440, 46923), (660, 31282), (1320, 15641)]