20894281

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 2289719

約数列:

[1, 19, 23, 137, 349, 437, 2603, 3151, 6631, 8027, 47813, 59869, 152513, 908447, 1099699, 20894281]

約数ペア:

[(1, 20894281), (19, 1099699), (23, 908447), (137, 152513), (349, 59869), (437, 47813), (2603, 8027), (3151, 6631)]