20056533

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 13650987

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 167, 301, 399, 501, 817, 903, 931, 1169, 2107, 2451, 2793, 3173, 3507, 5719, 6321, 7181, 8183, 9519, 17157, 21543, 22211, 24549, 40033, 50267, 66633, 120099, 136439, 150801, 155477, 351869, 409317, 466431, 955073, 1055607, 2865219, 6685511, 20056533]

約数ペア:

[(1, 20056533), (3, 6685511), (7, 2865219), (19, 1055607), (21, 955073), (43, 466431), (49, 409317), (57, 351869), (129, 155477), (133, 150801), (147, 136439), (167, 120099), (301, 66633), (399, 50267), (501, 40033), (817, 24549), (903, 22211), (931, 21543), (1169, 17157), (2107, 9519), (2451, 8183), (2793, 7181), (3173, 6321), (3507, 5719)]