13720688

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{5261}}^1$

素因数の和:5432

約数の個数: 20

約数和(自身を含む): 26752008

約数和(自身を除く): 13031320

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 5261, 10522, 21044, 42088, 84176, 857543, 1715086, 3430172, 6860344, 13720688]

約数ペア:

[(1, 13720688), (2, 6860344), (4, 3430172), (8, 1715086), (16, 857543), (163, 84176), (326, 42088), (652, 21044), (1304, 10522), (2608, 5261)]