20120457972

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1\times {\mathrm{18493}}^1$

素因数の和:19848

約数の個数: 48

約数和(自身を含む): 47648829312

約数和(自身を除く): 27528371340

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 1277, 2554, 3831, 5108, 7662, 15324, 18493, 36986, 55479, 73972, 90667, 110958, 181334, 221916, 272001, 362668, 544002, 1088004, 1313003, 2626006, 3939009, 5252012, 7878018, 15756036, 23615561, 47231122, 70846683, 94462244, 141693366, 283386732, 1676704831, 3353409662, 5030114493, 6706819324, 10060228986, 20120457972]

約数ペア:

[(1, 20120457972), (2, 10060228986), (3, 6706819324), (4, 5030114493), (6, 3353409662), (12, 1676704831), (71, 283386732), (142, 141693366), (213, 94462244), (284, 70846683), (426, 47231122), (852, 23615561), (1277, 15756036), (2554, 7878018), (3831, 5252012), (5108, 3939009), (7662, 2626006), (15324, 1313003), (18493, 1088004), (36986, 544002), (55479, 362668), (73972, 272001), (90667, 221916), (110958, 181334)]