20819482

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{1039}}^1$

素因数の和:1317

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11304038

約数列:

[1, 2, 43, 86, 233, 466, 1039, 2078, 10019, 20038, 44677, 89354, 242087, 484174, 10409741, 20819482]

約数ペア:

[(1, 20819482), (2, 10409741), (43, 484174), (86, 242087), (233, 89354), (466, 44677), (1039, 20038), (2078, 10019)]