20131372835

素因数分解:

$5^1\times 7^1\times {\mathrm{7109}}^1\times {\mathrm{80909}}^1$

素因数の和:88030

約数の個数: 16

約数和(自身を含む): 27612964800

約数和(自身を除く): 7481591965

約数列:

[1, 5, 7, 35, 7109, 35545, 49763, 80909, 248815, 404545, 566363, 2831815, 575182081, 2875910405, 4026274567, 20131372835]

約数ペア:

[(1, 20131372835), (5, 4026274567), (7, 2875910405), (35, 575182081), (7109, 2831815), (35545, 566363), (49763, 404545), (80909, 248815)]