20315336

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 39334680

約数和(自身を除く): 19019344

約数列:

[1, 2, 4, 8, 41, 82, 164, 241, 257, 328, 482, 514, 964, 1028, 1928, 2056, 9881, 10537, 19762, 21074, 39524, 42148, 61937, 79048, 84296, 123874, 247748, 495496, 2539417, 5078834, 10157668, 20315336]

約数ペア:

[(1, 20315336), (2, 10157668), (4, 5078834), (8, 2539417), (41, 495496), (82, 247748), (164, 123874), (241, 84296), (257, 79048), (328, 61937), (482, 42148), (514, 39524), (964, 21074), (1028, 19762), (1928, 10537), (2056, 9881)]