20653524

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2719}}^1$

素因数の和:2940

約数の個数: 36

約数和(自身を含む): 52474240

約数和(自身を除く): 31820716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2719, 3798, 5438, 7596, 8157, 10876, 16314, 24471, 32628, 48942, 97884, 573709, 1147418, 1721127, 2294836, 3442254, 5163381, 6884508, 10326762, 20653524]

約数ペア:

[(1, 20653524), (2, 10326762), (3, 6884508), (4, 5163381), (6, 3442254), (9, 2294836), (12, 1721127), (18, 1147418), (36, 573709), (211, 97884), (422, 48942), (633, 32628), (844, 24471), (1266, 16314), (1899, 10876), (2532, 8157), (2719, 7596), (3798, 5438)]