20390738

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:673

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 10635502

約数列:

[1, 2, 151, 251, 269, 302, 502, 538, 37901, 40619, 67519, 75802, 81238, 135038, 10195369, 20390738]

約数ペア:

[(1, 20390738), (2, 10195369), (151, 135038), (251, 81238), (269, 75802), (302, 67519), (502, 40619), (538, 37901)]