20399017415

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1\times {\mathrm{16529}}^1$

素因数の和:17531

約数の個数: 32

約数和(自身を含む): 28763786880

約数和(自身を除く): 8364769465

約数列:

[1, 5, 7, 35, 37, 185, 259, 953, 1295, 4765, 6671, 16529, 33355, 35261, 82645, 115703, 176305, 246827, 578515, 611573, 1234135, 3057865, 4281011, 15752137, 21405055, 78760685, 110264959, 551324795, 582829069, 2914145345, 4079803483, 20399017415]

約数ペア:

[(1, 20399017415), (5, 4079803483), (7, 2914145345), (35, 582829069), (37, 551324795), (185, 110264959), (259, 78760685), (953, 21405055), (1295, 15752137), (4765, 4281011), (6671, 3057865), (16529, 1234135), (33355, 611573), (35261, 578515), (82645, 246827), (115703, 176305)]