20145123915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{190147}}^1$

素因数の和:191171

約数の個数: 32

約数和(自身を含む): 36873500160

約数和(自身を除く): 16728376245

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1009, 3027, 5045, 7063, 15135, 21189, 35315, 105945, 190147, 570441, 950735, 1331029, 2852205, 3993087, 6655145, 19965435, 191858323, 575574969, 959291615, 1343008261, 2877874845, 4029024783, 6715041305, 20145123915]

約数ペア:

[(1, 20145123915), (3, 6715041305), (5, 4029024783), (7, 2877874845), (15, 1343008261), (21, 959291615), (35, 575574969), (105, 191858323), (1009, 19965435), (3027, 6655145), (5045, 3993087), (7063, 2852205), (15135, 1331029), (21189, 950735), (35315, 570441), (105945, 190147)]