20121817836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2052409}}^1$

素因数の和:2052478

約数の個数: 48

約数和(自身を含む): 50571382400

約数和(自身を除く): 30449564564

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 9804, 2052409, 4104818, 6157227, 8209636, 12314454, 24628908, 38995771, 77991542, 88253587, 116987313, 155983084, 176507174, 233974626, 264760761, 353014348, 467949252, 529521522, 1059043044, 1676818153, 3353636306, 5030454459, 6707272612, 10060908918, 20121817836]

約数ペア:

[(1, 20121817836), (2, 10060908918), (3, 6707272612), (4, 5030454459), (6, 3353636306), (12, 1676818153), (19, 1059043044), (38, 529521522), (43, 467949252), (57, 353014348), (76, 264760761), (86, 233974626), (114, 176507174), (129, 155983084), (172, 116987313), (228, 88253587), (258, 77991542), (516, 38995771), (817, 24628908), (1634, 12314454), (2451, 8209636), (3268, 6157227), (4902, 4104818), (9804, 2052409)]