20016528

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1512

約数の個数: 80

約数和(自身を含む): 60579456

約数和(自身を除く): 40562928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 246, 287, 328, 336, 492, 574, 656, 861, 984, 1148, 1453, 1722, 1968, 2296, 2906, 3444, 4359, 4592, 5812, 6888, 8718, 10171, 11624, 13776, 17436, 20342, 23248, 30513, 34872, 40684, 59573, 61026, 69744, 81368, 119146, 122052, 162736, 178719, 238292, 244104, 357438, 417011, 476584, 488208, 714876, 834022, 953168, 1251033, 1429752, 1668044, 2502066, 2859504, 3336088, 5004132, 6672176, 10008264, 20016528]

約数ペア:

[(1, 20016528), (2, 10008264), (3, 6672176), (4, 5004132), (6, 3336088), (7, 2859504), (8, 2502066), (12, 1668044), (14, 1429752), (16, 1251033), (21, 953168), (24, 834022), (28, 714876), (41, 488208), (42, 476584), (48, 417011), (56, 357438), (82, 244104), (84, 238292), (112, 178719), (123, 162736), (164, 122052), (168, 119146), (246, 81368), (287, 69744), (328, 61026), (336, 59573), (492, 40684), (574, 34872), (656, 30513), (861, 23248), (984, 20342), (1148, 17436), (1453, 13776), (1722, 11624), (1968, 10171), (2296, 8718), (2906, 6888), (3444, 5812), (4359, 4592)]