20847666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4639}}^1$

素因数の和:4758

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 27259854

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 4639, 9278, 13917, 27834, 32473, 64946, 97419, 194838, 496373, 992746, 1489119, 2978238, 3474611, 6949222, 10423833, 20847666]

約数ペア:

[(1, 20847666), (2, 10423833), (3, 6949222), (6, 3474611), (7, 2978238), (14, 1489119), (21, 992746), (42, 496373), (107, 194838), (214, 97419), (321, 64946), (642, 32473), (749, 27834), (1498, 13917), (2247, 9278), (4494, 4639)]