20702823

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 29361024

約数和(自身を除く): 8658201

約数列:

[1, 3, 31, 43, 93, 129, 167, 501, 961, 1333, 2883, 3999, 5177, 7181, 15531, 21543, 41323, 123969, 160487, 222611, 481461, 667833, 6900941, 20702823]

約数ペア:

[(1, 20702823), (3, 6900941), (31, 667833), (43, 481461), (93, 222611), (129, 160487), (167, 123969), (501, 41323), (961, 21543), (1333, 15531), (2883, 7181), (3999, 5177)]