20123682005

素因数分解:

$5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{872477}}^1$

素因数の和:873148

約数の個数: 16

約数和(自身を含む): 27640103040

約数和(自身を除く): 7516421035

約数列:

[1, 5, 7, 35, 659, 3295, 4613, 23065, 872477, 4362385, 6107339, 30536695, 574962343, 2874811715, 4024736401, 20123682005]

約数ペア:

[(1, 20123682005), (5, 4024736401), (7, 2874811715), (35, 574962343), (659, 30536695), (3295, 6107339), (4613, 4362385), (23065, 872477)]