20817706

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1069}}^1$

素因数の和:1198

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 18010454

約数列:

[1, 2, 7, 13, 14, 26, 91, 107, 182, 214, 749, 1069, 1391, 1498, 2138, 2782, 7483, 9737, 13897, 14966, 19474, 27794, 97279, 114383, 194558, 228766, 800681, 1486979, 1601362, 2973958, 10408853, 20817706]

約数ペア:

[(1, 20817706), (2, 10408853), (7, 2973958), (13, 1601362), (14, 1486979), (26, 800681), (91, 228766), (107, 194558), (182, 114383), (214, 97279), (749, 27794), (1069, 19474), (1391, 14966), (1498, 13897), (2138, 9737), (2782, 7483)]