20866734

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18401}}^1$

素因数の和:18422

約数の個数: 40

約数和(自身を含む): 53439408

約数和(自身を除く): 32572674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18401, 36802, 55203, 110406, 128807, 165609, 257614, 331218, 386421, 496827, 772842, 993654, 1159263, 1490481, 2318526, 2980962, 3477789, 6955578, 10433367, 20866734]

約数ペア:

[(1, 20866734), (2, 10433367), (3, 6955578), (6, 3477789), (7, 2980962), (9, 2318526), (14, 1490481), (18, 1159263), (21, 993654), (27, 772842), (42, 496827), (54, 386421), (63, 331218), (81, 257614), (126, 165609), (162, 128807), (189, 110406), (378, 55203), (567, 36802), (1134, 18401)]