20992132

素因数分解:

$2^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1439}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 42094080

約数和(自身を除く): 21101948

約数列:

[1, 2, 4, 7, 14, 28, 521, 1042, 1439, 2084, 2878, 3647, 5756, 7294, 10073, 14588, 20146, 40292, 749719, 1499438, 2998876, 5248033, 10496066, 20992132]

約数ペア:

[(1, 20992132), (2, 10496066), (4, 5248033), (7, 2998876), (14, 1499438), (28, 749719), (521, 40292), (1042, 20146), (1439, 14588), (2084, 10073), (2878, 7294), (3647, 5756)]