20738060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{887}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 29387764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 887, 1169, 1670, 1774, 2338, 3340, 3548, 4435, 4676, 5845, 6209, 8870, 11690, 12418, 17740, 23380, 24836, 31045, 62090, 124180, 148129, 296258, 592516, 740645, 1036903, 1481290, 2073806, 2962580, 4147612, 5184515, 10369030, 20738060]

約数ペア:

[(1, 20738060), (2, 10369030), (4, 5184515), (5, 4147612), (7, 2962580), (10, 2073806), (14, 1481290), (20, 1036903), (28, 740645), (35, 592516), (70, 296258), (140, 148129), (167, 124180), (334, 62090), (668, 31045), (835, 24836), (887, 23380), (1169, 17740), (1670, 12418), (1774, 11690), (2338, 8870), (3340, 6209), (3548, 5845), (4435, 4676)]