20617758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163633}}^1$

素因数の和:163648

約数の個数: 24

約数和(自身を含む): 51053808

約数和(自身を除く): 30436050

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163633, 327266, 490899, 981798, 1145431, 1472697, 2290862, 2945394, 3436293, 6872586, 10308879, 20617758]

約数ペア:

[(1, 20617758), (2, 10308879), (3, 6872586), (6, 3436293), (7, 2945394), (9, 2290862), (14, 1472697), (18, 1145431), (21, 981798), (42, 490899), (63, 327266), (126, 163633)]