20512530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3863}}^1$

素因数の和:3935

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 33738030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 531, 590, 885, 1062, 1770, 2655, 3863, 5310, 7726, 11589, 19315, 23178, 34767, 38630, 57945, 69534, 115890, 173835, 227917, 347670, 455834, 683751, 1139585, 1367502, 2051253, 2279170, 3418755, 4102506, 6837510, 10256265, 20512530]

約数ペア:

[(1, 20512530), (2, 10256265), (3, 6837510), (5, 4102506), (6, 3418755), (9, 2279170), (10, 2051253), (15, 1367502), (18, 1139585), (30, 683751), (45, 455834), (59, 347670), (90, 227917), (118, 173835), (177, 115890), (295, 69534), (354, 57945), (531, 38630), (590, 34767), (885, 23178), (1062, 19315), (1770, 11589), (2655, 7726), (3863, 5310)]