20750860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79811}}^1$

素因数の和:79833

約数の個数: 24

約数和(自身を含む): 46929456

約数和(自身を除く): 26178596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79811, 159622, 319244, 399055, 798110, 1037543, 1596220, 2075086, 4150172, 5187715, 10375430, 20750860]

約数ペア:

[(1, 20750860), (2, 10375430), (4, 5187715), (5, 4150172), (10, 2075086), (13, 1596220), (20, 1037543), (26, 798110), (52, 399055), (65, 319244), (130, 159622), (260, 79811)]