20163564

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 55194048

約数和(自身を除く): 35030484

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 423, 564, 612, 701, 799, 846, 1402, 1598, 1692, 2103, 2397, 2804, 3196, 4206, 4794, 6309, 7191, 8412, 9588, 11917, 12618, 14382, 23834, 25236, 28764, 32947, 35751, 47668, 65894, 71502, 98841, 107253, 131788, 143004, 197682, 214506, 296523, 395364, 429012, 560099, 593046, 1120198, 1186092, 1680297, 2240396, 3360594, 5040891, 6721188, 10081782, 20163564]

約数ペア:

[(1, 20163564), (2, 10081782), (3, 6721188), (4, 5040891), (6, 3360594), (9, 2240396), (12, 1680297), (17, 1186092), (18, 1120198), (34, 593046), (36, 560099), (47, 429012), (51, 395364), (68, 296523), (94, 214506), (102, 197682), (141, 143004), (153, 131788), (188, 107253), (204, 98841), (282, 71502), (306, 65894), (423, 47668), (564, 35751), (612, 32947), (701, 28764), (799, 25236), (846, 23834), (1402, 14382), (1598, 12618), (1692, 11917), (2103, 9588), (2397, 8412), (2804, 7191), (3196, 6309), (4206, 4794)]