16912760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9833}}^1$

素因数の和:9887

約数の個数: 32

約数和(自身を含む): 38942640

約数和(自身を除く): 22029880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9833, 19666, 39332, 49165, 78664, 98330, 196660, 393320, 422819, 845638, 1691276, 2114095, 3382552, 4228190, 8456380, 16912760]

約数ペア:

[(1, 16912760), (2, 8456380), (4, 4228190), (5, 3382552), (8, 2114095), (10, 1691276), (20, 845638), (40, 422819), (43, 393320), (86, 196660), (172, 98330), (215, 78664), (344, 49165), (430, 39332), (860, 19666), (1720, 9833)]