20859801900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9933239}}^1$

素因数の和:9933263

約数の個数: 72

約数和(自身を含む): 68976418560

約数和(自身を除く): 48116616660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9933239, 19866478, 29799717, 39732956, 49666195, 59599434, 69532673, 99332390, 119198868, 139065346, 148998585, 198664780, 208598019, 248330975, 278130692, 297997170, 347663365, 417196038, 496661950, 595994340, 695326730, 744992925, 834392076, 993323900, 1042990095, 1390653460, 1489985850, 1738316825, 2085980190, 2979971700, 3476633650, 4171960380, 5214950475, 6953267300, 10429900950, 20859801900]

約数ペア:

[(1, 20859801900), (2, 10429900950), (3, 6953267300), (4, 5214950475), (5, 4171960380), (6, 3476633650), (7, 2979971700), (10, 2085980190), (12, 1738316825), (14, 1489985850), (15, 1390653460), (20, 1042990095), (21, 993323900), (25, 834392076), (28, 744992925), (30, 695326730), (35, 595994340), (42, 496661950), (50, 417196038), (60, 347663365), (70, 297997170), (75, 278130692), (84, 248330975), (100, 208598019), (105, 198664780), (140, 148998585), (150, 139065346), (175, 119198868), (210, 99332390), (300, 69532673), (350, 59599434), (420, 49666195), (525, 39732956), (700, 29799717), (1050, 19866478), (2100, 9933239)]