20467620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1354

約数の個数: 96

約数和(自身を含む): 65923200

約数和(自身を除く): 45455580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1307, 1566, 1740, 2610, 2614, 3132, 3915, 3921, 5220, 5228, 6535, 7830, 7842, 11763, 13070, 15660, 15684, 19605, 23526, 26140, 35289, 37903, 39210, 47052, 58815, 70578, 75806, 78420, 113709, 117630, 141156, 151612, 176445, 189515, 227418, 235260, 341127, 352890, 379030, 454836, 568545, 682254, 705780, 758060, 1023381, 1137090, 1364508, 1705635, 2046762, 2274180, 3411270, 4093524, 5116905, 6822540, 10233810, 20467620]

約数ペア:

[(1, 20467620), (2, 10233810), (3, 6822540), (4, 5116905), (5, 4093524), (6, 3411270), (9, 2274180), (10, 2046762), (12, 1705635), (15, 1364508), (18, 1137090), (20, 1023381), (27, 758060), (29, 705780), (30, 682254), (36, 568545), (45, 454836), (54, 379030), (58, 352890), (60, 341127), (87, 235260), (90, 227418), (108, 189515), (116, 176445), (135, 151612), (145, 141156), (174, 117630), (180, 113709), (261, 78420), (270, 75806), (290, 70578), (348, 58815), (435, 47052), (522, 39210), (540, 37903), (580, 35289), (783, 26140), (870, 23526), (1044, 19605), (1305, 15684), (1307, 15660), (1566, 13070), (1740, 11763), (2610, 7842), (2614, 7830), (3132, 6535), (3915, 5228), (3921, 5220)]