20199499185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{15299}}^1$

素因数の和:15462

約数の個数: 64

約数和(自身を含む): 34898688000

約数和(自身を除く): 14699188815

約数列:

[1, 3, 5, 15, 23, 43, 69, 89, 115, 129, 215, 267, 345, 445, 645, 989, 1335, 2047, 2967, 3827, 4945, 6141, 10235, 11481, 14835, 15299, 19135, 30705, 45897, 57405, 76495, 88021, 229485, 264063, 351877, 440105, 657857, 1055631, 1320315, 1361611, 1759385, 1973571, 3289285, 4084833, 5278155, 6808055, 9867855, 15130711, 20424165, 31317053, 45392133, 58549273, 75653555, 93951159, 156585265, 175647819, 226960665, 292746365, 469755795, 878239095, 1346633279, 4039899837, 6733166395, 20199499185]

約数ペア:

[(1, 20199499185), (3, 6733166395), (5, 4039899837), (15, 1346633279), (23, 878239095), (43, 469755795), (69, 292746365), (89, 226960665), (115, 175647819), (129, 156585265), (215, 93951159), (267, 75653555), (345, 58549273), (445, 45392133), (645, 31317053), (989, 20424165), (1335, 15130711), (2047, 9867855), (2967, 6808055), (3827, 5278155), (4945, 4084833), (6141, 3289285), (10235, 1973571), (11481, 1759385), (14835, 1361611), (15299, 1320315), (19135, 1055631), (30705, 657857), (45897, 440105), (57405, 351877), (76495, 264063), (88021, 229485)]