20617980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3041}}^1$

素因数の和:3166

約数の個数: 48

約数和(自身を含む): 58260384

約数和(自身を除く): 37642404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 339, 452, 565, 678, 1130, 1356, 1695, 2260, 3041, 3390, 6082, 6780, 9123, 12164, 15205, 18246, 30410, 36492, 45615, 60820, 91230, 182460, 343633, 687266, 1030899, 1374532, 1718165, 2061798, 3436330, 4123596, 5154495, 6872660, 10308990, 20617980]

約数ペア:

[(1, 20617980), (2, 10308990), (3, 6872660), (4, 5154495), (5, 4123596), (6, 3436330), (10, 2061798), (12, 1718165), (15, 1374532), (20, 1030899), (30, 687266), (60, 343633), (113, 182460), (226, 91230), (339, 60820), (452, 45615), (565, 36492), (678, 30410), (1130, 18246), (1356, 15205), (1695, 12164), (2260, 9123), (3041, 6780), (3390, 6082)]