20804938390

素因数分解:

$2^1\times 5^1\times {\mathrm{46451}}^1\times {\mathrm{44789}}^1$

素因数の和:91247

約数の個数: 16

約数和(自身を含む): 37450531440

約数和(自身を除く): 16645593050

約数列:

[1, 2, 5, 10, 44789, 46451, 89578, 92902, 223945, 232255, 447890, 464510, 2080493839, 4160987678, 10402469195, 20804938390]

約数ペア:

[(1, 20804938390), (2, 10402469195), (5, 4160987678), (10, 2080493839), (44789, 464510), (46451, 447890), (89578, 232255), (92902, 223945)]