20811912

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2594

約数の個数: 64

約数和(自身を含む): 58613760

約数和(自身を除く): 37801848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 1023, 1364, 2046, 2543, 2728, 4092, 5086, 7629, 8184, 10172, 15258, 20344, 27973, 30516, 55946, 61032, 78833, 83919, 111892, 157666, 167838, 223784, 236499, 315332, 335676, 472998, 630664, 671352, 867163, 945996, 1734326, 1891992, 2601489, 3468652, 5202978, 6937304, 10405956, 20811912]

約数ペア:

[(1, 20811912), (2, 10405956), (3, 6937304), (4, 5202978), (6, 3468652), (8, 2601489), (11, 1891992), (12, 1734326), (22, 945996), (24, 867163), (31, 671352), (33, 630664), (44, 472998), (62, 335676), (66, 315332), (88, 236499), (93, 223784), (124, 167838), (132, 157666), (186, 111892), (248, 83919), (264, 78833), (341, 61032), (372, 55946), (682, 30516), (744, 27973), (1023, 20344), (1364, 15258), (2046, 10172), (2543, 8184), (2728, 7629), (4092, 5086)]