20677496

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 46970880

約数和(自身を除く): 26293384

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 172, 217, 248, 277, 301, 344, 434, 554, 602, 868, 1108, 1204, 1333, 1736, 1939, 2216, 2408, 2666, 3878, 5332, 7756, 8587, 9331, 10664, 11911, 15512, 17174, 18662, 23822, 34348, 37324, 47644, 60109, 68696, 74648, 83377, 95288, 120218, 166754, 240436, 333508, 369241, 480872, 667016, 738482, 1476964, 2584687, 2953928, 5169374, 10338748, 20677496]

約数ペア:

[(1, 20677496), (2, 10338748), (4, 5169374), (7, 2953928), (8, 2584687), (14, 1476964), (28, 738482), (31, 667016), (43, 480872), (56, 369241), (62, 333508), (86, 240436), (124, 166754), (172, 120218), (217, 95288), (248, 83377), (277, 74648), (301, 68696), (344, 60109), (434, 47644), (554, 37324), (602, 34348), (868, 23822), (1108, 18662), (1204, 17174), (1333, 15512), (1736, 11911), (1939, 10664), (2216, 9331), (2408, 8587), (2666, 7756), (3878, 5332)]