20436005

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 25380864

約数和(自身を除く): 4944859

約数列:

[1, 5, 53, 67, 265, 335, 1151, 3551, 5755, 17755, 61003, 77117, 305015, 385585, 4087201, 20436005]

約数ペア:

[(1, 20436005), (5, 4087201), (53, 385585), (67, 305015), (265, 77117), (335, 61003), (1151, 17755), (3551, 5755)]