20155386068

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^2$

素因数の和:2604

約数の個数: 36

約数和(自身を含む): 36661883580

約数和(自身を除く): 16506497512

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 1237, 2474, 3293, 4948, 6586, 13172, 45769, 91538, 110093, 183076, 220186, 440372, 1530169, 3060338, 4073441, 6120676, 8146882, 16293764, 56616253, 113232506, 136185041, 226465012, 272370082, 544740164, 5038846517, 10077693034, 20155386068]

約数ペア:

[(1, 20155386068), (2, 10077693034), (4, 5038846517), (37, 544740164), (74, 272370082), (89, 226465012), (148, 136185041), (178, 113232506), (356, 56616253), (1237, 16293764), (2474, 8146882), (3293, 6120676), (4948, 4073441), (6586, 3060338), (13172, 1530169), (45769, 440372), (91538, 220186), (110093, 183076)]