20172568860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{907}}^1\times {\mathrm{13729}}^1$

素因数の和:14657

約数の個数: 120

約数和(自身を含む): 63356480880

約数和(自身を除く): 43183912020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 907, 1620, 1814, 2721, 3628, 4535, 5442, 8163, 9070, 10884, 13605, 13729, 16326, 18140, 24489, 27210, 27458, 32652, 40815, 41187, 48978, 54420, 54916, 68645, 73467, 81630, 82374, 97956, 122445, 123561, 137290, 146934, 163260, 164748, 205935, 244890, 247122, 274580, 293868, 367335, 370683, 411870, 489780, 494244, 617805, 734670, 741366, 823740, 1112049, 1235610, 1469340, 1482732, 1853415, 2224098, 2471220, 3706830, 4448196, 5560245, 7413660, 11120490, 12452203, 22240980, 24904406, 37356609, 49808812, 62261015, 74713218, 112069827, 124522030, 149426436, 186783045, 224139654, 249044060, 336209481, 373566090, 448279308, 560349135, 672418962, 747132180, 1008628443, 1120698270, 1344837924, 1681047405, 2017256886, 2241396540, 3362094810, 4034513772, 5043142215, 6724189620, 10086284430, 20172568860]

約数ペア:

[(1, 20172568860), (2, 10086284430), (3, 6724189620), (4, 5043142215), (5, 4034513772), (6, 3362094810), (9, 2241396540), (10, 2017256886), (12, 1681047405), (15, 1344837924), (18, 1120698270), (20, 1008628443), (27, 747132180), (30, 672418962), (36, 560349135), (45, 448279308), (54, 373566090), (60, 336209481), (81, 249044060), (90, 224139654), (108, 186783045), (135, 149426436), (162, 124522030), (180, 112069827), (270, 74713218), (324, 62261015), (405, 49808812), (540, 37356609), (810, 24904406), (907, 22240980), (1620, 12452203), (1814, 11120490), (2721, 7413660), (3628, 5560245), (4535, 4448196), (5442, 3706830), (8163, 2471220), (9070, 2224098), (10884, 1853415), (13605, 1482732), (13729, 1469340), (16326, 1235610), (18140, 1112049), (24489, 823740), (27210, 741366), (27458, 734670), (32652, 617805), (40815, 494244), (41187, 489780), (48978, 411870), (54420, 370683), (54916, 367335), (68645, 293868), (73467, 274580), (81630, 247122), (82374, 244890), (97956, 205935), (122445, 164748), (123561, 163260), (137290, 146934)]