20565594

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3331}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 51979200

約数和(自身を除く): 31413606

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3331, 6174, 6662, 9993, 19986, 23317, 29979, 46634, 59958, 69951, 139902, 163219, 209853, 326438, 419706, 489657, 979314, 1142533, 1468971, 2285066, 2937942, 3427599, 6855198, 10282797, 20565594]

約数ペア:

[(1, 20565594), (2, 10282797), (3, 6855198), (6, 3427599), (7, 2937942), (9, 2285066), (14, 1468971), (18, 1142533), (21, 979314), (42, 489657), (49, 419706), (63, 326438), (98, 209853), (126, 163219), (147, 139902), (294, 69951), (343, 59958), (441, 46634), (686, 29979), (882, 23317), (1029, 19986), (2058, 9993), (3087, 6662), (3331, 6174)]