20104645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{691}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 27552672

約数和(自身を除く): 7448027

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 691, 1265, 2645, 3455, 5819, 7601, 15893, 29095, 38005, 79465, 174823, 365539, 874115, 1827695, 4020929, 20104645]

約数ペア:

[(1, 20104645), (5, 4020929), (11, 1827695), (23, 874115), (55, 365539), (115, 174823), (253, 79465), (529, 38005), (691, 29095), (1265, 15893), (2645, 7601), (3455, 5819)]