20450664

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7283}}^1$

素因数の和:7311

約数の個数: 64

約数和(自身を含む): 61185600

約数和(自身を除く): 40734936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7283, 14566, 21849, 29132, 43698, 58264, 65547, 87396, 94679, 131094, 174792, 189358, 196641, 262188, 284037, 378716, 393282, 524376, 568074, 757432, 786564, 852111, 1136148, 1573128, 1704222, 2272296, 2556333, 3408444, 5112666, 6816888, 10225332, 20450664]

約数ペア:

[(1, 20450664), (2, 10225332), (3, 6816888), (4, 5112666), (6, 3408444), (8, 2556333), (9, 2272296), (12, 1704222), (13, 1573128), (18, 1136148), (24, 852111), (26, 786564), (27, 757432), (36, 568074), (39, 524376), (52, 393282), (54, 378716), (72, 284037), (78, 262188), (104, 196641), (108, 189358), (117, 174792), (156, 131094), (216, 94679), (234, 87396), (312, 65547), (351, 58264), (468, 43698), (702, 29132), (936, 21849), (1404, 14566), (2808, 7283)]