20971534745

素因数分解:

$5^1\times 7^2\times {\mathrm{587}}^1\times {\mathrm{145823}}^1$

素因数の和:146429

約数の個数: 24

約数和(自身を含む): 29324623104

約数和(自身を除く): 8353088359

約数列:

[1, 5, 7, 35, 49, 245, 587, 2935, 4109, 20545, 28763, 143815, 145823, 729115, 1020761, 5103805, 7145327, 35726635, 85598101, 427990505, 599186707, 2995933535, 4194306949, 20971534745]

約数ペア:

[(1, 20971534745), (5, 4194306949), (7, 2995933535), (35, 599186707), (49, 427990505), (245, 85598101), (587, 35726635), (2935, 7145327), (4109, 5103805), (20545, 1020761), (28763, 729115), (143815, 145823)]