20164424

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 43366080

約数和(自身を除く): 23201656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 907, 1588, 1814, 2779, 3176, 3628, 5558, 6349, 7256, 11116, 12698, 22232, 25396, 50792, 360079, 720158, 1440316, 2520553, 2880632, 5041106, 10082212, 20164424]

約数ペア:

[(1, 20164424), (2, 10082212), (4, 5041106), (7, 2880632), (8, 2520553), (14, 1440316), (28, 720158), (56, 360079), (397, 50792), (794, 25396), (907, 22232), (1588, 12698), (1814, 11116), (2779, 7256), (3176, 6349), (3628, 5558)]