20258091

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3613}}^1$

素因数の和:3715

約数の個数: 24

約数和(自身を含む): 33827040

約数和(自身を除く): 13568949

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3613, 5607, 10839, 25291, 32517, 75873, 227619, 321557, 964671, 2250899, 2894013, 6752697, 20258091]

約数ペア:

[(1, 20258091), (3, 6752697), (7, 2894013), (9, 2250899), (21, 964671), (63, 321557), (89, 227619), (267, 75873), (623, 32517), (801, 25291), (1869, 10839), (3613, 5607)]