20171866840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4713053}}^1$

素因数の和:4713171

約数の個数: 32

約数和(自身を含む): 45810884880

約数和(自身を除く): 25639018040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4713053, 9426106, 18852212, 23565265, 37704424, 47130530, 94261060, 188522120, 504296671, 1008593342, 2017186684, 2521483355, 4034373368, 5042966710, 10085933420, 20171866840]

約数ペア:

[(1, 20171866840), (2, 10085933420), (4, 5042966710), (5, 4034373368), (8, 2521483355), (10, 2017186684), (20, 1008593342), (40, 504296671), (107, 188522120), (214, 94261060), (428, 47130530), (535, 37704424), (856, 23565265), (1070, 18852212), (2140, 9426106), (4280, 4713053)]