20113385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 26922240

約数和(自身を除く): 6808855

約数列:

[1, 5, 23, 29, 37, 115, 145, 163, 185, 667, 815, 851, 1073, 3335, 3749, 4255, 4727, 5365, 6031, 18745, 23635, 24679, 30155, 108721, 123395, 138713, 174899, 543605, 693565, 874495, 4022677, 20113385]

約数ペア:

[(1, 20113385), (5, 4022677), (23, 874495), (29, 693565), (37, 543605), (115, 174899), (145, 138713), (163, 123395), (185, 108721), (667, 30155), (815, 24679), (851, 23635), (1073, 18745), (3335, 6031), (3749, 5365), (4255, 4727)]