20112990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5279}}^1$

素因数の和:5416

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 28547490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 381, 635, 762, 1270, 1905, 3810, 5279, 10558, 15837, 26395, 31674, 52790, 79185, 158370, 670433, 1340866, 2011299, 3352165, 4022598, 6704330, 10056495, 20112990]

約数ペア:

[(1, 20112990), (2, 10056495), (3, 6704330), (5, 4022598), (6, 3352165), (10, 2011299), (15, 1340866), (30, 670433), (127, 158370), (254, 79185), (381, 52790), (635, 31674), (762, 26395), (1270, 15837), (1905, 10558), (3810, 5279)]