20342406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7229}}^1$

素因数の和:7308

約数の個数: 32

約数和(自身を含む): 47197440

約数和(自身を除く): 26855034

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7229, 14458, 21687, 43374, 50603, 101206, 151809, 303618, 484343, 968686, 1453029, 2906058, 3390401, 6780802, 10171203, 20342406]

約数ペア:

[(1, 20342406), (2, 10171203), (3, 6780802), (6, 3390401), (7, 2906058), (14, 1453029), (21, 968686), (42, 484343), (67, 303618), (134, 151809), (201, 101206), (402, 50603), (469, 43374), (938, 21687), (1407, 14458), (2814, 7229)]