20406050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{8329}}^1$

素因数の和:8355

約数の個数: 36

約数和(自身を含む): 44157330

約数和(自身を除く): 23751280

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 1225, 2450, 8329, 16658, 41645, 58303, 83290, 116606, 208225, 291515, 408121, 416450, 583030, 816242, 1457575, 2040605, 2915150, 4081210, 10203025, 20406050]

約数ペア:

[(1, 20406050), (2, 10203025), (5, 4081210), (7, 2915150), (10, 2040605), (14, 1457575), (25, 816242), (35, 583030), (49, 416450), (50, 408121), (70, 291515), (98, 208225), (175, 116606), (245, 83290), (350, 58303), (490, 41645), (1225, 16658), (2450, 8329)]