20172514

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:777

約数の個数: 16

約数和(自身を含む): 30744000

約数和(自身を除く): 10571486

約数列:

[1, 2, 139, 149, 278, 298, 487, 974, 20711, 41422, 67693, 72563, 135386, 145126, 10086257, 20172514]

約数ペア:

[(1, 20172514), (2, 10086257), (139, 145126), (149, 135386), (278, 72563), (298, 67693), (487, 41422), (974, 20711)]