20826356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3079}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 17981644

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3079, 3382, 6158, 6764, 12316, 58501, 117002, 234004, 274031, 548062, 1096124, 5206589, 10413178, 20826356]

約数ペア:

[(1, 20826356), (2, 10413178), (4, 5206589), (19, 1096124), (38, 548062), (76, 274031), (89, 234004), (178, 117002), (356, 58501), (1691, 12316), (3079, 6764), (3382, 6158)]