20178592028

素因数分解:

$2^2\times 7^1\times {\mathrm{12647}}^1\times {\mathrm{56983}}^1$

素因数の和:69641

約数の個数: 24

約数和(自身を含む): 40361083392

約数和(自身を除く): 20182491364

約数列:

[1, 2, 4, 7, 14, 28, 12647, 25294, 50588, 56983, 88529, 113966, 177058, 227932, 354116, 398881, 797762, 1595524, 720664001, 1441328002, 2882656004, 5044648007, 10089296014, 20178592028]

約数ペア:

[(1, 20178592028), (2, 10089296014), (4, 5044648007), (7, 2882656004), (14, 1441328002), (28, 720664001), (12647, 1595524), (25294, 797762), (50588, 398881), (56983, 354116), (88529, 227932), (113966, 177058)]