20194370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41213}}^1$

素因数の和:41234

約数の個数: 24

約数和(自身を含む): 42285564

約数和(自身を除く): 22091194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41213, 82426, 206065, 288491, 412130, 576982, 1442455, 2019437, 2884910, 4038874, 10097185, 20194370]

約数ペア:

[(1, 20194370), (2, 10097185), (5, 4038874), (7, 2884910), (10, 2019437), (14, 1442455), (35, 576982), (49, 412130), (70, 288491), (98, 206065), (245, 82426), (490, 41213)]