20630349

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 31847040

約数和(自身を除く): 11216691

約数列:

[1, 3, 9, 27, 37, 107, 111, 193, 321, 333, 579, 963, 999, 1737, 2889, 3959, 5211, 7141, 11877, 20651, 21423, 35631, 61953, 64269, 106893, 185859, 192807, 557577, 764087, 2292261, 6876783, 20630349]

約数ペア:

[(1, 20630349), (3, 6876783), (9, 2292261), (27, 764087), (37, 557577), (107, 192807), (111, 185859), (193, 106893), (321, 64269), (333, 61953), (579, 35631), (963, 21423), (999, 20651), (1737, 11877), (2889, 7141), (3959, 5211)]