20481578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9491}}^1$

素因数の和:9589

約数の個数: 16

約数和(自身を含む): 33487776

約数和(自身を除く): 13006198

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 9491, 18982, 123383, 246766, 787753, 1575506, 10240789, 20481578]

約数ペア:

[(1, 20481578), (2, 10240789), (13, 1575506), (26, 787753), (83, 246766), (166, 123383), (1079, 18982), (2158, 9491)]