20746026

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{719}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 30921174

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 229, 458, 687, 719, 1374, 1438, 1603, 2061, 2157, 3206, 4122, 4314, 4809, 5033, 6471, 9618, 10066, 12942, 14427, 15099, 28854, 30198, 45297, 90594, 164651, 329302, 493953, 987906, 1152557, 1481859, 2305114, 2963718, 3457671, 6915342, 10373013, 20746026]

約数ペア:

[(1, 20746026), (2, 10373013), (3, 6915342), (6, 3457671), (7, 2963718), (9, 2305114), (14, 1481859), (18, 1152557), (21, 987906), (42, 493953), (63, 329302), (126, 164651), (229, 90594), (458, 45297), (687, 30198), (719, 28854), (1374, 15099), (1438, 14427), (1603, 12942), (2061, 10066), (2157, 9618), (3206, 6471), (4122, 5033), (4314, 4809)]