20500868015

素因数分解:

$5^1\times {\mathrm{251}}^1\times {\mathrm{2011}}^1\times {\mathrm{8123}}^1$

素因数の和:10390

約数の個数: 16

約数和(自身を含む): 24714377856

約数和(自身を除く): 4213509841

約数列:

[1, 5, 251, 1255, 2011, 8123, 10055, 40615, 504761, 2038873, 2523805, 10194365, 16335353, 81676765, 4100173603, 20500868015]

約数ペア:

[(1, 20500868015), (5, 4100173603), (251, 81676765), (1255, 16335353), (2011, 10194365), (8123, 2523805), (10055, 2038873), (40615, 504761)]