13453340

素因数分解:

$2^2\times 5^1\times {\mathrm{672667}}^1$

素因数の和:672676

約数の個数: 12

約数和(自身を含む): 28252056

約数和(自身を除く): 14798716

約数列:

[1, 2, 4, 5, 10, 20, 672667, 1345334, 2690668, 3363335, 6726670, 13453340]

約数ペア:

[(1, 13453340), (2, 6726670), (4, 3363335), (5, 2690668), (10, 1345334), (20, 672667)]