20279340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112663}}^1$

素因数の和:112678

約数の個数: 36

約数和(自身を含む): 61514544

約数和(自身を除く): 41235204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112663, 225326, 337989, 450652, 563315, 675978, 1013967, 1126630, 1351956, 1689945, 2027934, 2253260, 3379890, 4055868, 5069835, 6759780, 10139670, 20279340]

約数ペア:

[(1, 20279340), (2, 10139670), (3, 6759780), (4, 5069835), (5, 4055868), (6, 3379890), (9, 2253260), (10, 2027934), (12, 1689945), (15, 1351956), (18, 1126630), (20, 1013967), (30, 675978), (36, 563315), (45, 450652), (60, 337989), (90, 225326), (180, 112663)]