20188392291

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8039981}}^1$

素因数の和:8040024

約数の個数: 20

約数和(自身を含む): 31130810304

約数和(自身を除く): 10942418013

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8039981, 24119943, 72359829, 217079487, 249239411, 651238461, 747718233, 2243154699, 6729464097, 20188392291]

約数ペア:

[(1, 20188392291), (3, 6729464097), (9, 2243154699), (27, 747718233), (31, 651238461), (81, 249239411), (93, 217079487), (279, 72359829), (837, 24119943), (2511, 8039981)]