16830795252020

素因数分解:

$2^2\times 5^1\times {\mathrm{128273}}^1\times {\mathrm{6560537}}^1$

素因数の和:6688819

約数の個数: 24

約数和(自身を含む): 35344950959304

約数和(自身を除く): 18514155707284

約数列:

[1, 2, 4, 5, 10, 20, 128273, 256546, 513092, 641365, 1282730, 2565460, 6560537, 13121074, 26242148, 32802685, 65605370, 131210740, 841539762601, 1683079525202, 3366159050404, 4207698813005, 8415397626010, 16830795252020]

約数ペア:

[(1, 16830795252020), (2, 8415397626010), (4, 4207698813005), (5, 3366159050404), (10, 1683079525202), (20, 841539762601), (128273, 131210740), (256546, 65605370), (513092, 32802685), (641365, 26242148), (1282730, 13121074), (2565460, 6560537)]