16997980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3307}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 35845488

約数和(自身を除く): 18847508

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3307, 5140, 6614, 13228, 16535, 33070, 66140, 849899, 1699798, 3399596, 4249495, 8498990, 16997980]

約数ペア:

[(1, 16997980), (2, 8498990), (4, 4249495), (5, 3399596), (10, 1699798), (20, 849899), (257, 66140), (514, 33070), (1028, 16535), (1285, 13228), (2570, 6614), (3307, 5140)]