20178753345

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{5563}}^1$

素因数の和:5951

約数の個数: 64

約数和(自身を含む): 36380547840

約数和(自身を除く): 16201794495

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 277, 291, 485, 831, 873, 1385, 1455, 2493, 2619, 4155, 4365, 5563, 7479, 12465, 13095, 16689, 26869, 27815, 37395, 50067, 80607, 83445, 134345, 150201, 241821, 250335, 403035, 539611, 725463, 751005, 1209105, 1540951, 1618833, 2698055, 3627315, 4622853, 4856499, 7704755, 8094165, 13868559, 14569497, 23114265, 24282495, 41605677, 69342795, 72847485, 149472247, 208028385, 448416741, 747361235, 1345250223, 2242083705, 4035750669, 6726251115, 20178753345]

約数ペア:

[(1, 20178753345), (3, 6726251115), (5, 4035750669), (9, 2242083705), (15, 1345250223), (27, 747361235), (45, 448416741), (97, 208028385), (135, 149472247), (277, 72847485), (291, 69342795), (485, 41605677), (831, 24282495), (873, 23114265), (1385, 14569497), (1455, 13868559), (2493, 8094165), (2619, 7704755), (4155, 4856499), (4365, 4622853), (5563, 3627315), (7479, 2698055), (12465, 1618833), (13095, 1540951), (16689, 1209105), (26869, 751005), (27815, 725463), (37395, 539611), (50067, 403035), (80607, 250335), (83445, 241821), (134345, 150201)]