20398680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56663}}^1$

素因数の和:56680

約数の個数: 48

約数和(自身を含む): 66296880

約数和(自身を除く): 45898200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56663, 113326, 169989, 226652, 283315, 339978, 453304, 509967, 566630, 679956, 849945, 1019934, 1133260, 1359912, 1699890, 2039868, 2266520, 2549835, 3399780, 4079736, 5099670, 6799560, 10199340, 20398680]

約数ペア:

[(1, 20398680), (2, 10199340), (3, 6799560), (4, 5099670), (5, 4079736), (6, 3399780), (8, 2549835), (9, 2266520), (10, 2039868), (12, 1699890), (15, 1359912), (18, 1133260), (20, 1019934), (24, 849945), (30, 679956), (36, 566630), (40, 509967), (45, 453304), (60, 339978), (72, 283315), (90, 226652), (120, 169989), (180, 113326), (360, 56663)]