20681532

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4133}}^1$

素因数の和:4282

約数の個数: 36

約数和(自身を含む): 52667160

約数和(自身を除く): 31985628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4133, 5004, 8266, 12399, 16532, 24798, 37197, 49596, 74394, 148788, 574487, 1148974, 1723461, 2297948, 3446922, 5170383, 6893844, 10340766, 20681532]

約数ペア:

[(1, 20681532), (2, 10340766), (3, 6893844), (4, 5170383), (6, 3446922), (9, 2297948), (12, 1723461), (18, 1148974), (36, 574487), (139, 148788), (278, 74394), (417, 49596), (556, 37197), (834, 24798), (1251, 16532), (1668, 12399), (2502, 8266), (4133, 5004)]