17388340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20219}}^1$

素因数の和:20271

約数の個数: 24

約数和(自身を含む): 37366560

約数和(自身を除く): 19978220

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 20219, 40438, 80876, 101095, 202190, 404380, 869417, 1738834, 3477668, 4347085, 8694170, 17388340]

約数ペア:

[(1, 17388340), (2, 8694170), (4, 4347085), (5, 3477668), (10, 1738834), (20, 869417), (43, 404380), (86, 202190), (172, 101095), (215, 80876), (430, 40438), (860, 20219)]