20565766460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1\times {\mathrm{20407}}^1$

素因数の和:21686

約数の個数: 48

約数和(自身を含む): 44279645760

約数和(自身を除く): 23713879300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1229, 2458, 4916, 6145, 12290, 20407, 24580, 40814, 50389, 81628, 100778, 102035, 201556, 204070, 251945, 408140, 503890, 836687, 1007780, 1673374, 3346748, 4183435, 8366870, 16733740, 25080203, 50160406, 100320812, 125401015, 250802030, 501604060, 1028288323, 2056576646, 4113153292, 5141441615, 10282883230, 20565766460]

約数ペア:

[(1, 20565766460), (2, 10282883230), (4, 5141441615), (5, 4113153292), (10, 2056576646), (20, 1028288323), (41, 501604060), (82, 250802030), (164, 125401015), (205, 100320812), (410, 50160406), (820, 25080203), (1229, 16733740), (2458, 8366870), (4916, 4183435), (6145, 3346748), (12290, 1673374), (20407, 1007780), (24580, 836687), (40814, 503890), (50389, 408140), (81628, 251945), (100778, 204070), (102035, 201556)]