20245986

素因数分解:

$2^1\times 3^2\times {\mathrm{443}}^1\times {\mathrm{2539}}^1$

素因数の和:2990

約数の個数: 24

約数和(自身を含む): 43982640

約数和(自身を除く): 23736654

約数列:

[1, 2, 3, 6, 9, 18, 443, 886, 1329, 2539, 2658, 3987, 5078, 7617, 7974, 15234, 22851, 45702, 1124777, 2249554, 3374331, 6748662, 10122993, 20245986]

約数ペア:

[(1, 20245986), (2, 10122993), (3, 6748662), (6, 3374331), (9, 2249554), (18, 1124777), (443, 45702), (886, 22851), (1329, 15234), (2539, 7974), (2658, 7617), (3987, 5078)]