1647132020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1229203}}^1$

素因数の和:1229279

約数の個数: 24

約数和(自身を含む): 3510606624

約数和(自身を除く): 1863474604

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 1229203, 2458406, 4916812, 6146015, 12292030, 24584060, 82356601, 164713202, 329426404, 411783005, 823566010, 1647132020]

約数ペア:

[(1, 1647132020), (2, 823566010), (4, 411783005), (5, 329426404), (10, 164713202), (20, 82356601), (67, 24584060), (134, 12292030), (268, 6146015), (335, 4916812), (670, 2458406), (1340, 1229203)]