20718572

素因数分解:

$2^2\times 7^3\times {\mathrm{15101}}^1$

素因数の和:15126

約数の個数: 24

約数和(自身を含む): 42285600

約数和(自身を除く): 21567028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15101, 30202, 60404, 105707, 211414, 422828, 739949, 1479898, 2959796, 5179643, 10359286, 20718572]

約数ペア:

[(1, 20718572), (2, 10359286), (4, 5179643), (7, 2959796), (14, 1479898), (28, 739949), (49, 422828), (98, 211414), (196, 105707), (343, 60404), (686, 30202), (1372, 15101)]