20786670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3253}}^1$

素因数の和:3337

約数の個数: 48

約数和(自身を含む): 54823392

約数和(自身を除く): 34036722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 3253, 6390, 6506, 9759, 16265, 19518, 29277, 32530, 48795, 58554, 97590, 146385, 230963, 292770, 461926, 692889, 1154815, 1385778, 2078667, 2309630, 3464445, 4157334, 6928890, 10393335, 20786670]

約数ペア:

[(1, 20786670), (2, 10393335), (3, 6928890), (5, 4157334), (6, 3464445), (9, 2309630), (10, 2078667), (15, 1385778), (18, 1154815), (30, 692889), (45, 461926), (71, 292770), (90, 230963), (142, 146385), (213, 97590), (355, 58554), (426, 48795), (639, 32530), (710, 29277), (1065, 19518), (1278, 16265), (2130, 9759), (3195, 6506), (3253, 6390)]