20496900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4053

約数の個数: 72

約数和(自身を含む): 62808480

約数和(自身を除く): 42311580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4019, 5100, 8038, 12057, 16076, 20095, 24114, 40190, 48228, 60285, 68323, 80380, 100475, 120570, 136646, 200950, 204969, 241140, 273292, 301425, 341615, 401900, 409938, 602850, 683230, 819876, 1024845, 1205700, 1366460, 1708075, 2049690, 3416150, 4099380, 5124225, 6832300, 10248450, 20496900]

約数ペア:

[(1, 20496900), (2, 10248450), (3, 6832300), (4, 5124225), (5, 4099380), (6, 3416150), (10, 2049690), (12, 1708075), (15, 1366460), (17, 1205700), (20, 1024845), (25, 819876), (30, 683230), (34, 602850), (50, 409938), (51, 401900), (60, 341615), (68, 301425), (75, 273292), (85, 241140), (100, 204969), (102, 200950), (150, 136646), (170, 120570), (204, 100475), (255, 80380), (300, 68323), (340, 60285), (425, 48228), (510, 40190), (850, 24114), (1020, 20095), (1275, 16076), (1700, 12057), (2550, 8038), (4019, 5100)]