20534616

素因数分解:

$2^3\times 3^2\times {\mathrm{307}}^1\times {\mathrm{929}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 55855800

約数和(自身を除く): 35321184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 307, 614, 921, 929, 1228, 1842, 1858, 2456, 2763, 2787, 3684, 3716, 5526, 5574, 7368, 7432, 8361, 11052, 11148, 16722, 22104, 22296, 33444, 66888, 285203, 570406, 855609, 1140812, 1711218, 2281624, 2566827, 3422436, 5133654, 6844872, 10267308, 20534616]

約数ペア:

[(1, 20534616), (2, 10267308), (3, 6844872), (4, 5133654), (6, 3422436), (8, 2566827), (9, 2281624), (12, 1711218), (18, 1140812), (24, 855609), (36, 570406), (72, 285203), (307, 66888), (614, 33444), (921, 22296), (929, 22104), (1228, 16722), (1842, 11148), (1858, 11052), (2456, 8361), (2763, 7432), (2787, 7368), (3684, 5574), (3716, 5526)]