20269691

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 23400576

約数和(自身を除く): 3130885

約数列:

[1, 13, 31, 53, 73, 169, 403, 689, 949, 1643, 2263, 3869, 5239, 8957, 12337, 21359, 29419, 50297, 119939, 277667, 382447, 653861, 1559207, 20269691]

約数ペア:

[(1, 20269691), (13, 1559207), (31, 653861), (53, 382447), (73, 277667), (169, 119939), (403, 50297), (689, 29419), (949, 21359), (1643, 12337), (2263, 8957), (3869, 5239)]