20188836

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1249}}^1$

素因数の和:1708

約数の個数: 36

約数和(自身を含む): 51187500

約数和(自身を除く): 30998664

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1249, 1347, 1796, 2498, 2694, 3747, 4041, 4996, 5388, 7494, 8082, 11241, 14988, 16164, 22482, 44964, 560801, 1121602, 1682403, 2243204, 3364806, 5047209, 6729612, 10094418, 20188836]

約数ペア:

[(1, 20188836), (2, 10094418), (3, 6729612), (4, 5047209), (6, 3364806), (9, 2243204), (12, 1682403), (18, 1121602), (36, 560801), (449, 44964), (898, 22482), (1249, 16164), (1347, 14988), (1796, 11241), (2498, 8082), (2694, 7494), (3747, 5388), (4041, 4996)]