20639064

素因数分解:

$2^3\times 3^1\times {\mathrm{661}}^1\times {\mathrm{1301}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 51715440

約数和(自身を除く): 31076376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 661, 1301, 1322, 1983, 2602, 2644, 3903, 3966, 5204, 5288, 7806, 7932, 10408, 15612, 15864, 31224, 859961, 1719922, 2579883, 3439844, 5159766, 6879688, 10319532, 20639064]

約数ペア:

[(1, 20639064), (2, 10319532), (3, 6879688), (4, 5159766), (6, 3439844), (8, 2579883), (12, 1719922), (24, 859961), (661, 31224), (1301, 15864), (1322, 15612), (1983, 10408), (2602, 7932), (2644, 7806), (3903, 5288), (3966, 5204)]