20289262

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 37124352

約数和(自身を除く): 16835090

約数列:

[1, 2, 7, 14, 17, 34, 119, 163, 238, 326, 523, 1046, 1141, 2282, 2771, 3661, 5542, 7322, 8891, 17782, 19397, 38794, 62237, 85249, 124474, 170498, 596743, 1193486, 1449233, 2898466, 10144631, 20289262]

約数ペア:

[(1, 20289262), (2, 10144631), (7, 2898466), (14, 1449233), (17, 1193486), (34, 596743), (119, 170498), (163, 124474), (238, 85249), (326, 62237), (523, 38794), (1046, 19397), (1141, 17782), (2282, 8891), (2771, 7322), (3661, 5542)]