20495349

素因数分解:

$3^5\times 7^1\times {\mathrm{12049}}^1$

素因数の和:12071

約数の個数: 24

約数和(自身を含む): 35089600

約数和(自身を除く): 14594251

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12049, 36147, 84343, 108441, 253029, 325323, 759087, 975969, 2277261, 2927907, 6831783, 20495349]

約数ペア:

[(1, 20495349), (3, 6831783), (7, 2927907), (9, 2277261), (21, 975969), (27, 759087), (63, 325323), (81, 253029), (189, 108441), (243, 84343), (567, 36147), (1701, 12049)]