20781544223

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1\times {\mathrm{1831}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 23938993152

約数和(自身を除く): 3157448929

約数列:

[1, 11, 23, 113, 253, 397, 1243, 1831, 2599, 4367, 9131, 20141, 28589, 42113, 44861, 100441, 206903, 463243, 493471, 726907, 1031803, 2275933, 4758769, 7995977, 11349833, 16718861, 52346459, 82140491, 183907471, 903545401, 1889231293, 20781544223]

約数ペア:

[(1, 20781544223), (11, 1889231293), (23, 903545401), (113, 183907471), (253, 82140491), (397, 52346459), (1243, 16718861), (1831, 11349833), (2599, 7995977), (4367, 4758769), (9131, 2275933), (20141, 1031803), (28589, 726907), (42113, 493471), (44861, 463243), (100441, 206903)]