20146588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 24205412

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 439, 596, 878, 1043, 1639, 1756, 2086, 3073, 3278, 4172, 4829, 6146, 6556, 9658, 11473, 12292, 19316, 22946, 33803, 45892, 65411, 67606, 130822, 135212, 261644, 457877, 719521, 915754, 1439042, 1831508, 2878084, 5036647, 10073294, 20146588]

約数ペア:

[(1, 20146588), (2, 10073294), (4, 5036647), (7, 2878084), (11, 1831508), (14, 1439042), (22, 915754), (28, 719521), (44, 457877), (77, 261644), (149, 135212), (154, 130822), (298, 67606), (308, 65411), (439, 45892), (596, 33803), (878, 22946), (1043, 19316), (1639, 12292), (1756, 11473), (2086, 9658), (3073, 6556), (3278, 6146), (4172, 4829)]