20741744

素因数分解:

$2^4\times {\mathrm{821}}^1\times {\mathrm{1579}}^1$

素因数の和:2408

約数の個数: 20

約数和(自身を含む): 40261560

約数和(自身を除く): 19519816

約数列:

[1, 2, 4, 8, 16, 821, 1579, 1642, 3158, 3284, 6316, 6568, 12632, 13136, 25264, 1296359, 2592718, 5185436, 10370872, 20741744]

約数ペア:

[(1, 20741744), (2, 10370872), (4, 5185436), (8, 2592718), (16, 1296359), (821, 25264), (1579, 13136), (1642, 12632), (3158, 6568), (3284, 6316)]