22720978

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 17921582

約数列:

[1, 2, 7, 14, 29, 58, 191, 203, 293, 382, 406, 586, 1337, 2051, 2674, 4102, 5539, 8497, 11078, 16994, 38773, 55963, 59479, 77546, 111926, 118958, 391741, 783482, 1622927, 3245854, 11360489, 22720978]

約数ペア:

[(1, 22720978), (2, 11360489), (7, 3245854), (14, 1622927), (29, 783482), (58, 391741), (191, 118958), (203, 111926), (293, 77546), (382, 59479), (406, 55963), (586, 38773), (1337, 16994), (2051, 11078), (2674, 8497), (4102, 5539)]