20493597576

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{77339}}^1$

素因数の和:77590

約数の個数: 64

約数和(自身を含む): 52362273600

約数和(自身を除く): 31868676024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 181, 183, 244, 362, 366, 488, 543, 724, 732, 1086, 1448, 1464, 2172, 4344, 11041, 22082, 33123, 44164, 66246, 77339, 88328, 132492, 154678, 232017, 264984, 309356, 464034, 618712, 928068, 1856136, 4717679, 9435358, 13998359, 14153037, 18870716, 27996718, 28306074, 37741432, 41995077, 55993436, 56612148, 83990154, 111986872, 113224296, 167980308, 335960616, 853899899, 1707799798, 2561699697, 3415599596, 5123399394, 6831199192, 10246798788, 20493597576]

約数ペア:

[(1, 20493597576), (2, 10246798788), (3, 6831199192), (4, 5123399394), (6, 3415599596), (8, 2561699697), (12, 1707799798), (24, 853899899), (61, 335960616), (122, 167980308), (181, 113224296), (183, 111986872), (244, 83990154), (362, 56612148), (366, 55993436), (488, 41995077), (543, 37741432), (724, 28306074), (732, 27996718), (1086, 18870716), (1448, 14153037), (1464, 13998359), (2172, 9435358), (4344, 4717679), (11041, 1856136), (22082, 928068), (33123, 618712), (44164, 464034), (66246, 309356), (77339, 264984), (88328, 232017), (132492, 154678)]