20942643

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 7555533

約数列:

[1, 3, 83, 151, 249, 453, 557, 1671, 12533, 37599, 46231, 84107, 138693, 252321, 6980881, 20942643]

約数ペア:

[(1, 20942643), (3, 6980881), (83, 252321), (151, 138693), (249, 84107), (453, 46231), (557, 37599), (1671, 12533)]