20418786

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{16931}}^1$

素因数の和:17006

約数の個数: 24

約数和(自身を含む): 44903664

約数和(自身を除く): 24484878

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 16931, 33862, 50793, 101586, 152379, 304758, 1134377, 2268754, 3403131, 6806262, 10209393, 20418786]

約数ペア:

[(1, 20418786), (2, 10209393), (3, 6806262), (6, 3403131), (9, 2268754), (18, 1134377), (67, 304758), (134, 152379), (201, 101586), (402, 50793), (603, 33862), (1206, 16931)]