20555472

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 61281792

約数和(自身を除く): 40726320

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 131, 168, 262, 336, 393, 467, 524, 786, 917, 934, 1048, 1401, 1572, 1834, 1868, 2096, 2751, 2802, 3144, 3269, 3668, 3736, 5502, 5604, 6288, 6538, 7336, 7472, 9807, 11004, 11208, 13076, 14672, 19614, 22008, 22416, 26152, 39228, 44016, 52304, 61177, 78456, 122354, 156912, 183531, 244708, 367062, 428239, 489416, 734124, 856478, 978832, 1284717, 1468248, 1712956, 2569434, 2936496, 3425912, 5138868, 6851824, 10277736, 20555472]

約数ペア:

[(1, 20555472), (2, 10277736), (3, 6851824), (4, 5138868), (6, 3425912), (7, 2936496), (8, 2569434), (12, 1712956), (14, 1468248), (16, 1284717), (21, 978832), (24, 856478), (28, 734124), (42, 489416), (48, 428239), (56, 367062), (84, 244708), (112, 183531), (131, 156912), (168, 122354), (262, 78456), (336, 61177), (393, 52304), (467, 44016), (524, 39228), (786, 26152), (917, 22416), (934, 22008), (1048, 19614), (1401, 14672), (1572, 13076), (1834, 11208), (1868, 11004), (2096, 9807), (2751, 7472), (2802, 7336), (3144, 6538), (3269, 6288), (3668, 5604), (3736, 5502)]