20703813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7477}}^1$

素因数の和:7564

約数の個数: 16

約数和(自身を含む): 30151296

約数和(自身を除く): 9447483

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7477, 22431, 97201, 291603, 530867, 1592601, 6901271, 20703813]

約数ペア:

[(1, 20703813), (3, 6901271), (13, 1592601), (39, 530867), (71, 291603), (213, 97201), (923, 22431), (2769, 7477)]