20949992

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10111}}^1$

素因数の和:10161

約数の個数: 32

約数和(自身を含む): 46110720

約数和(自身を除く): 25160728

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10111, 20222, 40444, 70777, 80888, 141554, 283108, 374107, 566216, 748214, 1496428, 2618749, 2992856, 5237498, 10474996, 20949992]

約数ペア:

[(1, 20949992), (2, 10474996), (4, 5237498), (7, 2992856), (8, 2618749), (14, 1496428), (28, 748214), (37, 566216), (56, 374107), (74, 283108), (148, 141554), (259, 80888), (296, 70777), (518, 40444), (1036, 20222), (2072, 10111)]