20723452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 38359440

約数和(自身を除く): 17635988

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 1028, 1061, 2122, 4244, 4883, 9766, 19532, 20159, 40318, 80636, 272677, 545354, 1090708, 5180863, 10361726, 20723452]

約数ペア:

[(1, 20723452), (2, 10361726), (4, 5180863), (19, 1090708), (38, 545354), (76, 272677), (257, 80636), (514, 40318), (1028, 20159), (1061, 19532), (2122, 9766), (4244, 4883)]