20163329485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{299137}}^1$

素因数の和:299233

約数の個数: 32

約数和(自身を含む): 28042392672

約数和(自身を除く): 7879063187

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 3965, 5185, 13481, 67405, 299137, 1495685, 3888781, 5085329, 18247357, 19443905, 25426645, 66109277, 91236785, 237215641, 310205069, 330546385, 1186078205, 1551025345, 4032665897, 20163329485]

約数ペア:

[(1, 20163329485), (5, 4032665897), (13, 1551025345), (17, 1186078205), (61, 330546385), (65, 310205069), (85, 237215641), (221, 91236785), (305, 66109277), (793, 25426645), (1037, 19443905), (1105, 18247357), (3965, 5085329), (5185, 3888781), (13481, 1495685), (67405, 299137)]