20160555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 34426944

約数和(自身を除く): 14266389

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 457, 519, 865, 1371, 2285, 2595, 2941, 6855, 7769, 8823, 14705, 23307, 38845, 44115, 79061, 116535, 237183, 395305, 1185915, 1344037, 4032111, 6720185, 20160555]

約数ペア:

[(1, 20160555), (3, 6720185), (5, 4032111), (15, 1344037), (17, 1185915), (51, 395305), (85, 237183), (173, 116535), (255, 79061), (457, 44115), (519, 38845), (865, 23307), (1371, 14705), (2285, 8823), (2595, 7769), (2941, 6855)]