20884212

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3559}}^1$

素因数の和:3732

約数の個数: 36

約数和(自身を含む): 53129440

約数和(自身を除く): 32245228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3559, 5868, 7118, 10677, 14236, 21354, 32031, 42708, 64062, 128124, 580117, 1160234, 1740351, 2320468, 3480702, 5221053, 6961404, 10442106, 20884212]

約数ペア:

[(1, 20884212), (2, 10442106), (3, 6961404), (4, 5221053), (6, 3480702), (9, 2320468), (12, 1740351), (18, 1160234), (36, 580117), (163, 128124), (326, 64062), (489, 42708), (652, 32031), (978, 21354), (1467, 14236), (1956, 10677), (2934, 7118), (3559, 5868)]