20367069860

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{757}}^1\times {\mathrm{1871}}^1$

素因数の和:3356

約数の個数: 48

約数和(自身を含む): 42909834240

約数和(自身を除く): 22542764380

約数列:

[1, 2, 4, 5, 10, 20, 719, 757, 1438, 1514, 1871, 2876, 3028, 3595, 3742, 3785, 7190, 7484, 7570, 9355, 14380, 15140, 18710, 37420, 544283, 1088566, 1345249, 1416347, 2177132, 2690498, 2721415, 2832694, 5380996, 5442830, 5665388, 6726245, 7081735, 10885660, 13452490, 14163470, 26904980, 28326940, 1018353493, 2036706986, 4073413972, 5091767465, 10183534930, 20367069860]

約数ペア:

[(1, 20367069860), (2, 10183534930), (4, 5091767465), (5, 4073413972), (10, 2036706986), (20, 1018353493), (719, 28326940), (757, 26904980), (1438, 14163470), (1514, 13452490), (1871, 10885660), (2876, 7081735), (3028, 6726245), (3595, 5665388), (3742, 5442830), (3785, 5380996), (7190, 2832694), (7484, 2721415), (7570, 2690498), (9355, 2177132), (14380, 1416347), (15140, 1345249), (18710, 1088566), (37420, 544283)]