20163774715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{140617}}^1$

素因数の和:140887

約数の個数: 32

約数和(自身を含む): 29401536384

約数和(自身を除く): 9237761669

約数列:

[1, 5, 7, 17, 35, 85, 119, 241, 595, 1205, 1687, 4097, 8435, 20485, 28679, 140617, 143395, 703085, 984319, 2390489, 4921595, 11952445, 16733423, 33888697, 83667115, 169443485, 237220879, 576107849, 1186104395, 2880539245, 4032754943, 20163774715]

約数ペア:

[(1, 20163774715), (5, 4032754943), (7, 2880539245), (17, 1186104395), (35, 576107849), (85, 237220879), (119, 169443485), (241, 83667115), (595, 33888697), (1205, 16733423), (1687, 11952445), (4097, 4921595), (8435, 2390489), (20485, 984319), (28679, 703085), (140617, 143395)]