20796097540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6622961}}^1$

素因数の和:6623127

約数の個数: 24

約数和(自身を含む): 43949975832

約数和(自身を除く): 23153878292

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6622961, 13245922, 26491844, 33114805, 66229610, 132459220, 1039804877, 2079609754, 4159219508, 5199024385, 10398048770, 20796097540]

約数ペア:

[(1, 20796097540), (2, 10398048770), (4, 5199024385), (5, 4159219508), (10, 2079609754), (20, 1039804877), (157, 132459220), (314, 66229610), (628, 33114805), (785, 26491844), (1570, 13245922), (3140, 6622961)]