20123676

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^2\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 54

約数和(自身を含む): 52106600

約数和(自身を除く): 31982924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 199, 212, 318, 398, 477, 597, 636, 796, 954, 1194, 1791, 1908, 2388, 2809, 3582, 5618, 7164, 8427, 10547, 11236, 16854, 21094, 25281, 31641, 33708, 42188, 50562, 63282, 94923, 101124, 126564, 189846, 379692, 558991, 1117982, 1676973, 2235964, 3353946, 5030919, 6707892, 10061838, 20123676]

約数ペア:

[(1, 20123676), (2, 10061838), (3, 6707892), (4, 5030919), (6, 3353946), (9, 2235964), (12, 1676973), (18, 1117982), (36, 558991), (53, 379692), (106, 189846), (159, 126564), (199, 101124), (212, 94923), (318, 63282), (398, 50562), (477, 42188), (597, 33708), (636, 31641), (796, 25281), (954, 21094), (1194, 16854), (1791, 11236), (1908, 10547), (2388, 8427), (2809, 7164), (3582, 5618)]