16820216

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4483}}^1$

素因数の和:4563

約数の個数: 32

約数和(自身を含む): 36589440

約数和(自身を除く): 19769224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 4483, 8966, 17932, 31381, 35864, 62762, 125524, 251048, 300361, 600722, 1201444, 2102527, 2402888, 4205054, 8410108, 16820216]

約数ペア:

[(1, 16820216), (2, 8410108), (4, 4205054), (7, 2402888), (8, 2102527), (14, 1201444), (28, 600722), (56, 300361), (67, 251048), (134, 125524), (268, 62762), (469, 35864), (536, 31381), (938, 17932), (1876, 8966), (3752, 4483)]