20164305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1061}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 37110528

約数和(自身を除く): 16946223

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 905, 1061, 1267, 2715, 3183, 3801, 5305, 6335, 7427, 15915, 19005, 22281, 37135, 111405, 192041, 576123, 960205, 1344287, 2880615, 4032861, 6721435, 20164305]

約数ペア:

[(1, 20164305), (3, 6721435), (5, 4032861), (7, 2880615), (15, 1344287), (21, 960205), (35, 576123), (105, 192041), (181, 111405), (543, 37135), (905, 22281), (1061, 19005), (1267, 15915), (2715, 7427), (3183, 6335), (3801, 5305)]