20765218

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2371}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 32448960

約数和(自身を除く): 11683742

約数列:

[1, 2, 29, 58, 151, 302, 2371, 4379, 4742, 8758, 68759, 137518, 358021, 716042, 10382609, 20765218]

約数ペア:

[(1, 20765218), (2, 10382609), (29, 716042), (58, 358021), (151, 137518), (302, 68759), (2371, 8758), (4379, 4742)]