20201580213

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1\times {\mathrm{1531}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 27761310720

約数和(自身を除く): 7559730507

約数列:

[1, 3, 43, 129, 233, 439, 699, 1317, 1531, 4593, 10019, 18877, 30057, 56631, 65833, 102287, 197499, 306861, 356723, 672109, 1070169, 2016327, 4398341, 13195023, 15339089, 28900687, 46017267, 86702061, 156601397, 469804191, 6733860071, 20201580213]

約数ペア:

[(1, 20201580213), (3, 6733860071), (43, 469804191), (129, 156601397), (233, 86702061), (439, 46017267), (699, 28900687), (1317, 15339089), (1531, 13195023), (4593, 4398341), (10019, 2016327), (18877, 1070169), (30057, 672109), (56631, 356723), (65833, 306861), (102287, 197499)]