20571114

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 42729984

約数和(自身を除く): 22158870

約数列:

[1, 2, 3, 6, 43, 71, 86, 129, 142, 213, 258, 426, 1123, 2246, 3053, 3369, 6106, 6738, 9159, 18318, 48289, 79733, 96578, 144867, 159466, 239199, 289734, 478398, 3428519, 6857038, 10285557, 20571114]

約数ペア:

[(1, 20571114), (2, 10285557), (3, 6857038), (6, 3428519), (43, 478398), (71, 289734), (86, 239199), (129, 159466), (142, 144867), (213, 96578), (258, 79733), (426, 48289), (1123, 18318), (2246, 9159), (3053, 6738), (3369, 6106)]