20161686945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{725371}}^1$

素因数の和:725505

約数の個数: 32

約数和(自身を含む): 34469677440

約数和(自身を除く): 14307990495

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 1635, 1853, 5559, 9265, 27795, 725371, 2176113, 3626855, 10880565, 12331307, 36993921, 61656535, 79065439, 184969605, 237196317, 395327195, 1185981585, 1344112463, 4032337389, 6720562315, 20161686945]

約数ペア:

[(1, 20161686945), (3, 6720562315), (5, 4032337389), (15, 1344112463), (17, 1185981585), (51, 395327195), (85, 237196317), (109, 184969605), (255, 79065439), (327, 61656535), (545, 36993921), (1635, 12331307), (1853, 10880565), (5559, 3626855), (9265, 2176113), (27795, 725371)]