20492745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15013}}^1$

素因数の和:15041

約数の個数: 32

約数和(自身を含む): 40357632

約数和(自身を除く): 19864887

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15013, 45039, 75065, 105091, 195169, 225195, 315273, 525455, 585507, 975845, 1366183, 1576365, 2927535, 4098549, 6830915, 20492745]

約数ペア:

[(1, 20492745), (3, 6830915), (5, 4098549), (7, 2927535), (13, 1576365), (15, 1366183), (21, 975845), (35, 585507), (39, 525455), (65, 315273), (91, 225195), (105, 195169), (195, 105091), (273, 75065), (455, 45039), (1365, 15013)]