23505820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90407}}^1$

素因数の和:90429

約数の個数: 24

約数和(自身を含む): 53159904

約数和(自身を除く): 29654084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 90407, 180814, 361628, 452035, 904070, 1175291, 1808140, 2350582, 4701164, 5876455, 11752910, 23505820]

約数ペア:

[(1, 23505820), (2, 11752910), (4, 5876455), (5, 4701164), (10, 2350582), (13, 1808140), (20, 1175291), (26, 904070), (52, 452035), (65, 361628), (130, 180814), (260, 90407)]