20007138

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 40999104

約数和(自身を除く): 20991966

約数列:

[1, 2, 3, 6, 67, 134, 157, 201, 314, 317, 402, 471, 634, 942, 951, 1902, 10519, 21038, 21239, 31557, 42478, 49769, 63114, 63717, 99538, 127434, 149307, 298614, 3334523, 6669046, 10003569, 20007138]

約数ペア:

[(1, 20007138), (2, 10003569), (3, 6669046), (6, 3334523), (67, 298614), (134, 149307), (157, 127434), (201, 99538), (314, 63717), (317, 63114), (402, 49769), (471, 42478), (634, 31557), (942, 21239), (951, 21038), (1902, 10519)]