20400126

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{147827}}^1$

素因数の和:147855

約数の個数: 16

約数和(自身を含む): 42574464

約数和(自身を除く): 22174338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 147827, 295654, 443481, 886962, 3400021, 6800042, 10200063, 20400126]

約数ペア:

[(1, 20400126), (2, 10200063), (3, 6800042), (6, 3400021), (23, 886962), (46, 443481), (69, 295654), (138, 147827)]