20123985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191657}}^1$

素因数の和:191672

約数の個数: 16

約数和(自身を含む): 36798336

約数和(自身を除く): 16674351

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191657, 574971, 958285, 1341599, 2874855, 4024797, 6707995, 20123985]

約数ペア:

[(1, 20123985), (3, 6707995), (5, 4024797), (7, 2874855), (15, 1341599), (21, 958285), (35, 574971), (105, 191657)]