20277142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4987}}^1$

素因数の和:5115

約数の個数: 16

約数和(自身を含む): 32322240

約数和(自身を除く): 12045098

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4987, 9974, 94753, 189506, 533609, 1067218, 10138571, 20277142]

約数ペア:

[(1, 20277142), (2, 10138571), (19, 1067218), (38, 533609), (107, 189506), (214, 94753), (2033, 9974), (4066, 4987)]