20912418

素因数分解:

$2^1\times 3^4\times {\mathrm{129089}}^1$

素因数の和:129103

約数の個数: 20

約数和(自身を含む): 46859670

約数和(自身を除く): 25947252

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129089, 258178, 387267, 774534, 1161801, 2323602, 3485403, 6970806, 10456209, 20912418]

約数ペア:

[(1, 20912418), (2, 10456209), (3, 6970806), (6, 3485403), (9, 2323602), (18, 1161801), (27, 774534), (54, 387267), (81, 258178), (162, 129089)]