20777655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4793}}^1$

素因数の和:4835

約数の個数: 24

約数和(自身を含む): 35322192

約数和(自身を除く): 14544537

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4793, 14379, 23965, 71895, 81481, 244443, 407405, 1222215, 1385177, 4155531, 6925885, 20777655]

約数ペア:

[(1, 20777655), (3, 6925885), (5, 4155531), (15, 1385177), (17, 1222215), (51, 407405), (85, 244443), (255, 81481), (289, 71895), (867, 23965), (1445, 14379), (4335, 4793)]