20992944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 63464192

約数和(自身を除く): 42471248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1453, 1806, 2064, 2408, 2906, 3612, 4359, 4816, 5812, 7224, 8718, 10171, 11624, 14448, 17436, 20342, 23248, 30513, 34872, 40684, 61026, 62479, 69744, 81368, 122052, 124958, 162736, 187437, 244104, 249916, 374874, 437353, 488208, 499832, 749748, 874706, 999664, 1312059, 1499496, 1749412, 2624118, 2998992, 3498824, 5248236, 6997648, 10496472, 20992944]

約数ペア:

[(1, 20992944), (2, 10496472), (3, 6997648), (4, 5248236), (6, 3498824), (7, 2998992), (8, 2624118), (12, 1749412), (14, 1499496), (16, 1312059), (21, 999664), (24, 874706), (28, 749748), (42, 499832), (43, 488208), (48, 437353), (56, 374874), (84, 249916), (86, 244104), (112, 187437), (129, 162736), (168, 124958), (172, 122052), (258, 81368), (301, 69744), (336, 62479), (344, 61026), (516, 40684), (602, 34872), (688, 30513), (903, 23248), (1032, 20342), (1204, 17436), (1453, 14448), (1806, 11624), (2064, 10171), (2408, 8718), (2906, 7224), (3612, 5812), (4359, 4816)]