16920704

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 33957840

約数和(自身を除く): 17037136

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 811, 1304, 1622, 2608, 3244, 5216, 6488, 10432, 12976, 20864, 25952, 51904, 103808, 132193, 264386, 528772, 1057544, 2115088, 4230176, 8460352, 16920704]

約数ペア:

[(1, 16920704), (2, 8460352), (4, 4230176), (8, 2115088), (16, 1057544), (32, 528772), (64, 264386), (128, 132193), (163, 103808), (326, 51904), (652, 25952), (811, 20864), (1304, 12976), (1622, 10432), (2608, 6488), (3244, 5216)]