20160920144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29303663}}^1$

素因数の和:29303714

約数の個数: 20

約数和(自身を含む): 39970197696

約数和(自身を除く): 19809277552

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29303663, 58607326, 117214652, 234429304, 468858608, 1260057509, 2520115018, 5040230036, 10080460072, 20160920144]

約数ペア:

[(1, 20160920144), (2, 10080460072), (4, 5040230036), (8, 2520115018), (16, 1260057509), (43, 468858608), (86, 234429304), (172, 117214652), (344, 58607326), (688, 29303663)]