20839348

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7127}}^1$

素因数の和:7191

約数の個数: 24

約数和(自身を含む): 39517632

約数和(自身を除く): 18678284

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7127, 14254, 28508, 121159, 242318, 306461, 484636, 612922, 1225844, 5209837, 10419674, 20839348]

約数ペア:

[(1, 20839348), (2, 10419674), (4, 5209837), (17, 1225844), (34, 612922), (43, 484636), (68, 306461), (86, 242318), (172, 121159), (731, 28508), (1462, 14254), (2924, 7127)]