20149500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 71285760

約数和(自身を除く): 51136260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 101, 105, 114, 125, 133, 140, 150, 175, 190, 202, 210, 228, 250, 266, 285, 300, 303, 350, 375, 380, 399, 404, 420, 475, 500, 505, 525, 532, 570, 606, 665, 700, 707, 750, 798, 875, 950, 1010, 1050, 1140, 1212, 1330, 1414, 1425, 1500, 1515, 1596, 1750, 1900, 1919, 1995, 2020, 2100, 2121, 2375, 2525, 2625, 2660, 2828, 2850, 3030, 3325, 3500, 3535, 3838, 3990, 4242, 4750, 5050, 5250, 5700, 5757, 6060, 6650, 7070, 7125, 7575, 7676, 7980, 8484, 9500, 9595, 9975, 10100, 10500, 10605, 11514, 12625, 13300, 13433, 14140, 14250, 15150, 16625, 17675, 19190, 19950, 21210, 23028, 25250, 26866, 28500, 28785, 30300, 33250, 35350, 37875, 38380, 39900, 40299, 42420, 47975, 49875, 50500, 53025, 53732, 57570, 66500, 67165, 70700, 75750, 80598, 88375, 95950, 99750, 106050, 115140, 134330, 143925, 151500, 161196, 176750, 191900, 199500, 201495, 212100, 239875, 265125, 268660, 287850, 335825, 353500, 402990, 479750, 530250, 575700, 671650, 719625, 805980, 959500, 1007475, 1060500, 1343300, 1439250, 1679125, 2014950, 2878500, 3358250, 4029900, 5037375, 6716500, 10074750, 20149500]

約数ペア:

[(1, 20149500), (2, 10074750), (3, 6716500), (4, 5037375), (5, 4029900), (6, 3358250), (7, 2878500), (10, 2014950), (12, 1679125), (14, 1439250), (15, 1343300), (19, 1060500), (20, 1007475), (21, 959500), (25, 805980), (28, 719625), (30, 671650), (35, 575700), (38, 530250), (42, 479750), (50, 402990), (57, 353500), (60, 335825), (70, 287850), (75, 268660), (76, 265125), (84, 239875), (95, 212100), (100, 201495), (101, 199500), (105, 191900), (114, 176750), (125, 161196), (133, 151500), (140, 143925), (150, 134330), (175, 115140), (190, 106050), (202, 99750), (210, 95950), (228, 88375), (250, 80598), (266, 75750), (285, 70700), (300, 67165), (303, 66500), (350, 57570), (375, 53732), (380, 53025), (399, 50500), (404, 49875), (420, 47975), (475, 42420), (500, 40299), (505, 39900), (525, 38380), (532, 37875), (570, 35350), (606, 33250), (665, 30300), (700, 28785), (707, 28500), (750, 26866), (798, 25250), (875, 23028), (950, 21210), (1010, 19950), (1050, 19190), (1140, 17675), (1212, 16625), (1330, 15150), (1414, 14250), (1425, 14140), (1500, 13433), (1515, 13300), (1596, 12625), (1750, 11514), (1900, 10605), (1919, 10500), (1995, 10100), (2020, 9975), (2100, 9595), (2121, 9500), (2375, 8484), (2525, 7980), (2625, 7676), (2660, 7575), (2828, 7125), (2850, 7070), (3030, 6650), (3325, 6060), (3500, 5757), (3535, 5700), (3838, 5250), (3990, 5050), (4242, 4750)]