20005095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 35126784

約数和(自身を除く): 15121689

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 263, 461, 789, 1315, 1383, 2305, 2893, 3945, 5071, 6915, 8679, 14465, 15213, 25355, 43395, 76065, 121243, 363729, 606215, 1333673, 1818645, 4001019, 6668365, 20005095]

約数ペア:

[(1, 20005095), (3, 6668365), (5, 4001019), (11, 1818645), (15, 1333673), (33, 606215), (55, 363729), (165, 121243), (263, 76065), (461, 43395), (789, 25355), (1315, 15213), (1383, 14465), (2305, 8679), (2893, 6915), (3945, 5071)]