20137020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 39375300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 71, 87, 116, 142, 145, 163, 174, 213, 284, 290, 326, 348, 355, 426, 435, 489, 580, 652, 710, 815, 852, 870, 978, 1065, 1420, 1630, 1740, 1956, 2059, 2130, 2445, 3260, 4118, 4260, 4727, 4890, 6177, 8236, 9454, 9780, 10295, 11573, 12354, 14181, 18908, 20590, 23146, 23635, 24708, 28362, 30885, 34719, 41180, 46292, 47270, 56724, 57865, 61770, 69438, 70905, 94540, 115730, 123540, 138876, 141810, 173595, 231460, 283620, 335617, 347190, 671234, 694380, 1006851, 1342468, 1678085, 2013702, 3356170, 4027404, 5034255, 6712340, 10068510, 20137020]

約数ペア:

[(1, 20137020), (2, 10068510), (3, 6712340), (4, 5034255), (5, 4027404), (6, 3356170), (10, 2013702), (12, 1678085), (15, 1342468), (20, 1006851), (29, 694380), (30, 671234), (58, 347190), (60, 335617), (71, 283620), (87, 231460), (116, 173595), (142, 141810), (145, 138876), (163, 123540), (174, 115730), (213, 94540), (284, 70905), (290, 69438), (326, 61770), (348, 57865), (355, 56724), (426, 47270), (435, 46292), (489, 41180), (580, 34719), (652, 30885), (710, 28362), (815, 24708), (852, 23635), (870, 23146), (978, 20590), (1065, 18908), (1420, 14181), (1630, 12354), (1740, 11573), (1956, 10295), (2059, 9780), (2130, 9454), (2445, 8236), (3260, 6177), (4118, 4890), (4260, 4727)]