20684327042

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1\times {\mathrm{2063}}^1$

素因数の和:3122

約数の個数: 32

約数和(自身を含む): 32120727552

約数和(自身を除く): 11436400510

約数列:

[1, 2, 37, 74, 157, 314, 863, 1726, 2063, 4126, 5809, 11618, 31931, 63862, 76331, 135491, 152662, 270982, 323891, 647782, 1780369, 3560738, 5013167, 10026334, 11983967, 23967934, 65873653, 131747306, 279517933, 559035866, 10342163521, 20684327042]

約数ペア:

[(1, 20684327042), (2, 10342163521), (37, 559035866), (74, 279517933), (157, 131747306), (314, 65873653), (863, 23967934), (1726, 11983967), (2063, 10026334), (4126, 5013167), (5809, 3560738), (11618, 1780369), (31931, 647782), (63862, 323891), (76331, 270982), (135491, 152662)]