20905936

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2683}}^1$

素因数の和:3178

約数の個数: 20

約数和(自身を含む): 40603552

約数和(自身を除く): 19697616

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 2683, 3896, 5366, 7792, 10732, 21464, 42928, 1306621, 2613242, 5226484, 10452968, 20905936]

約数ペア:

[(1, 20905936), (2, 10452968), (4, 5226484), (8, 2613242), (16, 1306621), (487, 42928), (974, 21464), (1948, 10732), (2683, 7792), (3896, 5366)]