13512820

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1213}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 28451304

約数和(自身を除く): 14938484

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1213, 2228, 2426, 2785, 4852, 5570, 6065, 11140, 12130, 24260, 675641, 1351282, 2702564, 3378205, 6756410, 13512820]

約数ペア:

[(1, 13512820), (2, 6756410), (4, 3378205), (5, 2702564), (10, 1351282), (20, 675641), (557, 24260), (1114, 12130), (1213, 11140), (2228, 6065), (2426, 5570), (2785, 4852)]