20330156

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 44755200

約数和(自身を除く): 24425044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 443, 596, 886, 1043, 1639, 1772, 2086, 3101, 3278, 4172, 4873, 6202, 6556, 9746, 11473, 12404, 19492, 22946, 34111, 45892, 66007, 68222, 132014, 136444, 264028, 462049, 726077, 924098, 1452154, 1848196, 2904308, 5082539, 10165078, 20330156]

約数ペア:

[(1, 20330156), (2, 10165078), (4, 5082539), (7, 2904308), (11, 1848196), (14, 1452154), (22, 924098), (28, 726077), (44, 462049), (77, 264028), (149, 136444), (154, 132014), (298, 68222), (308, 66007), (443, 45892), (596, 34111), (886, 22946), (1043, 19492), (1639, 12404), (1772, 11473), (2086, 9746), (3101, 6556), (3278, 6202), (4172, 4873)]