20165178416

素因数分解:

$2^4\times {\mathrm{1231}}^1\times {\mathrm{1023821}}^1$

素因数の和:1025060

約数の個数: 20

約数和(自身を含む): 39101809824

約数和(自身を除く): 18936631408

約数列:

[1, 2, 4, 8, 16, 1231, 2462, 4924, 9848, 19696, 1023821, 2047642, 4095284, 8190568, 16381136, 1260323651, 2520647302, 5041294604, 10082589208, 20165178416]

約数ペア:

[(1, 20165178416), (2, 10082589208), (4, 5041294604), (8, 2520647302), (16, 1260323651), (1231, 16381136), (2462, 8190568), (4924, 4095284), (9848, 2047642), (19696, 1023821)]