20538306

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12269}}^1$

素因数の和:12311

約数の個数: 32

約数和(自身を含む): 47116800

約数和(自身を除く): 26578494

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12269, 24538, 36807, 73614, 110421, 220842, 331263, 380339, 662526, 760678, 1141017, 2282034, 3423051, 6846102, 10269153, 20538306]

約数ペア:

[(1, 20538306), (2, 10269153), (3, 6846102), (6, 3423051), (9, 2282034), (18, 1141017), (27, 760678), (31, 662526), (54, 380339), (62, 331263), (93, 220842), (186, 110421), (279, 73614), (558, 36807), (837, 24538), (1674, 12269)]