2046220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 4790016

約数和(自身を除く): 2743796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 131, 142, 220, 262, 284, 355, 524, 655, 710, 781, 1310, 1420, 1441, 1562, 2620, 2882, 3124, 3905, 5764, 7205, 7810, 9301, 14410, 15620, 18602, 28820, 37204, 46505, 93010, 102311, 186020, 204622, 409244, 511555, 1023110, 2046220]

約数ペア:

[(1, 2046220), (2, 1023110), (4, 511555), (5, 409244), (10, 204622), (11, 186020), (20, 102311), (22, 93010), (44, 46505), (55, 37204), (71, 28820), (110, 18602), (131, 15620), (142, 14410), (220, 9301), (262, 7810), (284, 7205), (355, 5764), (524, 3905), (655, 3124), (710, 2882), (781, 2620), (1310, 1562), (1420, 1441)]