20399677

素因数分解:

${\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^2$

素因数の和:336

約数の個数: 12

約数和(自身を含む): 22015476

約数和(自身を除く): 1615799

約数列:

[1, 17, 101, 109, 1717, 1853, 11009, 11881, 187153, 201977, 1199981, 20399677]

約数ペア:

[(1, 20399677), (17, 1199981), (101, 201977), (109, 187153), (1717, 11881), (1853, 11009)]