20989200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17491}}^1$

素因数の和:17512

約数の個数: 60

約数和(自身を含む): 67239248

約数和(自身を除く): 46250048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17491, 34982, 52473, 69964, 87455, 104946, 139928, 174910, 209892, 262365, 279856, 349820, 419784, 437275, 524730, 699640, 839568, 874550, 1049460, 1311825, 1399280, 1749100, 2098920, 2623650, 3498200, 4197840, 5247300, 6996400, 10494600, 20989200]

約数ペア:

[(1, 20989200), (2, 10494600), (3, 6996400), (4, 5247300), (5, 4197840), (6, 3498200), (8, 2623650), (10, 2098920), (12, 1749100), (15, 1399280), (16, 1311825), (20, 1049460), (24, 874550), (25, 839568), (30, 699640), (40, 524730), (48, 437275), (50, 419784), (60, 349820), (75, 279856), (80, 262365), (100, 209892), (120, 174910), (150, 139928), (200, 104946), (240, 87455), (300, 69964), (400, 52473), (600, 34982), (1200, 17491)]