20831541

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1607}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 28944000

約数和(自身を除く): 8112459

約数列:

[1, 3, 29, 87, 149, 447, 1607, 4321, 4821, 12963, 46603, 139809, 239443, 718329, 6943847, 20831541]

約数ペア:

[(1, 20831541), (3, 6943847), (29, 718329), (87, 239443), (149, 139809), (447, 46603), (1607, 12963), (4321, 4821)]