20176992005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{2687}}^1\times {\mathrm{51787}}^1$

素因数の和:54508

約数の個数: 16

約数和(自身を含む): 25057105920

約数和(自身を除く): 4880113915

約数列:

[1, 5, 29, 145, 2687, 13435, 51787, 77923, 258935, 389615, 1501823, 7509115, 139151669, 695758345, 4035398401, 20176992005]

約数ペア:

[(1, 20176992005), (5, 4035398401), (29, 695758345), (145, 139151669), (2687, 7509115), (13435, 1501823), (51787, 389615), (77923, 258935)]