20785136

素因数分解:

$2^4\times {\mathrm{1117}}^1\times {\mathrm{1163}}^1$

素因数の和:2288

約数の個数: 20

約数和(自身を含む): 40341912

約数和(自身を除く): 19556776

約数列:

[1, 2, 4, 8, 16, 1117, 1163, 2234, 2326, 4468, 4652, 8936, 9304, 17872, 18608, 1299071, 2598142, 5196284, 10392568, 20785136]

約数ペア:

[(1, 20785136), (2, 10392568), (4, 5196284), (8, 2598142), (16, 1299071), (1117, 18608), (1163, 17872), (2234, 9304), (2326, 8936), (4468, 4652)]