20343900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4023

約数の個数: 72

約数和(自身を含む): 62339760

約数和(自身を除く): 41995860

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, 3989, 5100, 7978, 11967, 15956, 19945, 23934, 39890, 47868, 59835, 67813, 79780, 99725, 119670, 135626, 199450, 203439, 239340, 271252, 299175, 339065, 398900, 406878, 598350, 678130, 813756, 1017195, 1196700, 1356260, 1695325, 2034390, 3390650, 4068780, 5085975, 6781300, 10171950, 20343900]

約数ペア:

[(1, 20343900), (2, 10171950), (3, 6781300), (4, 5085975), (5, 4068780), (6, 3390650), (10, 2034390), (12, 1695325), (15, 1356260), (17, 1196700), (20, 1017195), (25, 813756), (30, 678130), (34, 598350), (50, 406878), (51, 398900), (60, 339065), (68, 299175), (75, 271252), (85, 239340), (100, 203439), (102, 199450), (150, 135626), (170, 119670), (204, 99725), (255, 79780), (300, 67813), (340, 59835), (425, 47868), (510, 39890), (850, 23934), (1020, 19945), (1275, 15956), (1700, 11967), (2550, 7978), (3989, 5100)]