20245260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 70963200

約数和(自身を除く): 50717940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 43, 57, 59, 60, 70, 76, 84, 86, 95, 105, 114, 118, 129, 133, 140, 172, 177, 190, 210, 215, 228, 236, 258, 266, 285, 295, 301, 354, 380, 399, 413, 420, 430, 516, 532, 570, 590, 602, 645, 665, 708, 798, 817, 826, 860, 885, 903, 1121, 1140, 1180, 1204, 1239, 1290, 1330, 1505, 1596, 1634, 1652, 1770, 1806, 1995, 2065, 2242, 2451, 2478, 2537, 2580, 2660, 3010, 3268, 3363, 3540, 3612, 3990, 4085, 4130, 4484, 4515, 4902, 4956, 5074, 5605, 5719, 6020, 6195, 6726, 7611, 7847, 7980, 8170, 8260, 9030, 9804, 10148, 11210, 11438, 12255, 12390, 12685, 13452, 15222, 15694, 16340, 16815, 17157, 17759, 18060, 22420, 22876, 23541, 24510, 24780, 25370, 28595, 30444, 31388, 33630, 34314, 35518, 38055, 39235, 47082, 48203, 49020, 50740, 53277, 57190, 67260, 68628, 71036, 76110, 78470, 85785, 88795, 94164, 96406, 106554, 114380, 117705, 144609, 152220, 156940, 171570, 177590, 192812, 213108, 235410, 241015, 266385, 289218, 337421, 343140, 355180, 470820, 482030, 532770, 578436, 674842, 723045, 964060, 1012263, 1065540, 1349684, 1446090, 1687105, 2024526, 2892180, 3374210, 4049052, 5061315, 6748420, 10122630, 20245260]

約数ペア:

[(1, 20245260), (2, 10122630), (3, 6748420), (4, 5061315), (5, 4049052), (6, 3374210), (7, 2892180), (10, 2024526), (12, 1687105), (14, 1446090), (15, 1349684), (19, 1065540), (20, 1012263), (21, 964060), (28, 723045), (30, 674842), (35, 578436), (38, 532770), (42, 482030), (43, 470820), (57, 355180), (59, 343140), (60, 337421), (70, 289218), (76, 266385), (84, 241015), (86, 235410), (95, 213108), (105, 192812), (114, 177590), (118, 171570), (129, 156940), (133, 152220), (140, 144609), (172, 117705), (177, 114380), (190, 106554), (210, 96406), (215, 94164), (228, 88795), (236, 85785), (258, 78470), (266, 76110), (285, 71036), (295, 68628), (301, 67260), (354, 57190), (380, 53277), (399, 50740), (413, 49020), (420, 48203), (430, 47082), (516, 39235), (532, 38055), (570, 35518), (590, 34314), (602, 33630), (645, 31388), (665, 30444), (708, 28595), (798, 25370), (817, 24780), (826, 24510), (860, 23541), (885, 22876), (903, 22420), (1121, 18060), (1140, 17759), (1180, 17157), (1204, 16815), (1239, 16340), (1290, 15694), (1330, 15222), (1505, 13452), (1596, 12685), (1634, 12390), (1652, 12255), (1770, 11438), (1806, 11210), (1995, 10148), (2065, 9804), (2242, 9030), (2451, 8260), (2478, 8170), (2537, 7980), (2580, 7847), (2660, 7611), (3010, 6726), (3268, 6195), (3363, 6020), (3540, 5719), (3612, 5605), (3990, 5074), (4085, 4956), (4130, 4902), (4484, 4515)]