20407757

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 21829632

約数和(自身を除く): 1421875

約数列:

[1, 37, 43, 101, 127, 1591, 3737, 4343, 4699, 5461, 12827, 160691, 202057, 474599, 551561, 20407757]

約数ペア:

[(1, 20407757), (37, 551561), (43, 474599), (101, 202057), (127, 160691), (1591, 12827), (3737, 5461), (4343, 4699)]