20203140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:741

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 41849340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 683, 870, 986, 1020, 1366, 1479, 1740, 1972, 2049, 2465, 2732, 2958, 3415, 4098, 4930, 5916, 6830, 7395, 8196, 9860, 10245, 11611, 13660, 14790, 19807, 20490, 23222, 29580, 34833, 39614, 40980, 46444, 58055, 59421, 69666, 79228, 99035, 116110, 118842, 139332, 174165, 198070, 232220, 237684, 297105, 336719, 348330, 396140, 594210, 673438, 696660, 1010157, 1188420, 1346876, 1683595, 2020314, 3367190, 4040628, 5050785, 6734380, 10101570, 20203140]

約数ペア:

[(1, 20203140), (2, 10101570), (3, 6734380), (4, 5050785), (5, 4040628), (6, 3367190), (10, 2020314), (12, 1683595), (15, 1346876), (17, 1188420), (20, 1010157), (29, 696660), (30, 673438), (34, 594210), (51, 396140), (58, 348330), (60, 336719), (68, 297105), (85, 237684), (87, 232220), (102, 198070), (116, 174165), (145, 139332), (170, 118842), (174, 116110), (204, 99035), (255, 79228), (290, 69666), (340, 59421), (348, 58055), (435, 46444), (493, 40980), (510, 39614), (580, 34833), (683, 29580), (870, 23222), (986, 20490), (1020, 19807), (1366, 14790), (1479, 13660), (1740, 11611), (1972, 10245), (2049, 9860), (2465, 8196), (2732, 7395), (2958, 6830), (3415, 5916), (4098, 4930)]