20200388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{811}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 38196480

約数和(自身を除く): 17996092

約数列:

[1, 2, 4, 13, 26, 52, 479, 811, 958, 1622, 1916, 3244, 6227, 10543, 12454, 21086, 24908, 42172, 388469, 776938, 1553876, 5050097, 10100194, 20200388]

約数ペア:

[(1, 20200388), (2, 10100194), (4, 5050097), (13, 1553876), (26, 776938), (52, 388469), (479, 42172), (811, 24908), (958, 21086), (1622, 12454), (1916, 10543), (3244, 6227)]