20915392

素因数分解:

$2^6\times {\mathrm{281}}^1\times {\mathrm{1163}}^1$

素因数の和:1456

約数の個数: 28

約数和(自身を含む): 41687496

約数和(自身を除く): 20772104

約数列:

[1, 2, 4, 8, 16, 32, 64, 281, 562, 1124, 1163, 2248, 2326, 4496, 4652, 8992, 9304, 17984, 18608, 37216, 74432, 326803, 653606, 1307212, 2614424, 5228848, 10457696, 20915392]

約数ペア:

[(1, 20915392), (2, 10457696), (4, 5228848), (8, 2614424), (16, 1307212), (32, 653606), (64, 326803), (281, 74432), (562, 37216), (1124, 18608), (1163, 17984), (2248, 9304), (2326, 8992), (4496, 4652)]