20406726

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{16921}}^1$

素因数の和:16996

約数の個数: 24

約数和(自身を含む): 44877144

約数和(自身を除く): 24470418

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 16921, 33842, 50763, 101526, 152289, 304578, 1133707, 2267414, 3401121, 6802242, 10203363, 20406726]

約数ペア:

[(1, 20406726), (2, 10203363), (3, 6802242), (6, 3401121), (9, 2267414), (18, 1133707), (67, 304578), (134, 152289), (201, 101526), (402, 50763), (603, 33842), (1206, 16921)]