20550168

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4679}}^1$

素因数の和:4752

約数の個数: 48

約数和(自身を含む): 56581200

約数和(自身を除く): 36031032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4679, 9358, 14037, 18716, 28074, 37432, 42111, 56148, 84222, 112296, 168444, 285419, 336888, 570838, 856257, 1141676, 1712514, 2283352, 2568771, 3425028, 5137542, 6850056, 10275084, 20550168]

約数ペア:

[(1, 20550168), (2, 10275084), (3, 6850056), (4, 5137542), (6, 3425028), (8, 2568771), (9, 2283352), (12, 1712514), (18, 1141676), (24, 856257), (36, 570838), (61, 336888), (72, 285419), (122, 168444), (183, 112296), (244, 84222), (366, 56148), (488, 42111), (549, 37432), (732, 28074), (1098, 18716), (1464, 14037), (2196, 9358), (4392, 4679)]