20790578

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:793

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 10935502

約数列:

[1, 2, 89, 178, 271, 431, 542, 862, 24119, 38359, 48238, 76718, 116801, 233602, 10395289, 20790578]

約数ペア:

[(1, 20790578), (2, 10395289), (89, 233602), (178, 116801), (271, 76718), (431, 48238), (542, 38359), (862, 24119)]