20617320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{171811}}^1$

素因数の和:171825

約数の個数: 32

約数和(自身を含む): 61852320

約数和(自身を除く): 41235000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 171811, 343622, 515433, 687244, 859055, 1030866, 1374488, 1718110, 2061732, 2577165, 3436220, 4123464, 5154330, 6872440, 10308660, 20617320]

約数ペア:

[(1, 20617320), (2, 10308660), (3, 6872440), (4, 5154330), (5, 4123464), (6, 3436220), (8, 2577165), (10, 2061732), (12, 1718110), (15, 1374488), (20, 1030866), (24, 859055), (30, 687244), (40, 515433), (60, 343622), (120, 171811)]