20876640916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{493351}}^1$

素因数の和:493575

約数の個数: 24

約数和(自身を含む): 37297411200

約数和(自身を除く): 16420770284

約数列:

[1, 2, 4, 71, 142, 149, 284, 298, 596, 10579, 21158, 42316, 493351, 986702, 1973404, 35027921, 70055842, 73509299, 140111684, 147018598, 294037196, 5219160229, 10438320458, 20876640916]

約数ペア:

[(1, 20876640916), (2, 10438320458), (4, 5219160229), (71, 294037196), (142, 147018598), (149, 140111684), (284, 73509299), (298, 70055842), (596, 35027921), (10579, 1973404), (21158, 986702), (42316, 493351)]