16998760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9883}}^1$

素因数の和:9937

約数の個数: 32

約数和(自身を含む): 39140640

約数和(自身を除く): 22141880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9883, 19766, 39532, 49415, 79064, 98830, 197660, 395320, 424969, 849938, 1699876, 2124845, 3399752, 4249690, 8499380, 16998760]

約数ペア:

[(1, 16998760), (2, 8499380), (4, 4249690), (5, 3399752), (8, 2124845), (10, 1699876), (20, 849938), (40, 424969), (43, 395320), (86, 197660), (172, 98830), (215, 79064), (344, 49415), (430, 39532), (860, 19766), (1720, 9883)]