19807800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{33013}}^1$

素因数の和:33032

約数の個数: 48

約数和(自身を含む): 61406040

約数和(自身を除く): 41598240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 33013, 66026, 99039, 132052, 165065, 198078, 264104, 330130, 396156, 495195, 660260, 792312, 825325, 990390, 1320520, 1650650, 1980780, 2475975, 3301300, 3961560, 4951950, 6602600, 9903900, 19807800]

約数ペア:

[(1, 19807800), (2, 9903900), (3, 6602600), (4, 4951950), (5, 3961560), (6, 3301300), (8, 2475975), (10, 1980780), (12, 1650650), (15, 1320520), (20, 990390), (24, 825325), (25, 792312), (30, 660260), (40, 495195), (50, 396156), (60, 330130), (75, 264104), (100, 198078), (120, 165065), (150, 132052), (200, 99039), (300, 66026), (600, 33013)]