20138276

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 36309504

約数和(自身を除く): 16171228

約数列:

[1, 2, 4, 43, 86, 172, 191, 382, 613, 764, 1226, 2452, 8213, 16426, 26359, 32852, 52718, 105436, 117083, 234166, 468332, 5034569, 10069138, 20138276]

約数ペア:

[(1, 20138276), (2, 10069138), (4, 5034569), (43, 468332), (86, 234166), (172, 117083), (191, 105436), (382, 52718), (613, 32852), (764, 26359), (1226, 16426), (2452, 8213)]