20763405

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11831}}^1$

素因数の和:11858

約数の個数: 32

約数和(自身を含む): 39755520

約数和(自身を除く): 18992115

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11831, 35493, 59155, 106479, 153803, 177465, 319437, 461409, 532395, 769015, 1384227, 1597185, 2307045, 4152681, 6921135, 20763405]

約数ペア:

[(1, 20763405), (3, 6921135), (5, 4152681), (9, 2307045), (13, 1597185), (15, 1384227), (27, 769015), (39, 532395), (45, 461409), (65, 319437), (117, 177465), (135, 153803), (195, 106479), (351, 59155), (585, 35493), (1755, 11831)]