20873685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10463}}^1$

素因数の和:10497

約数の個数: 32

約数和(自身を含む): 40181760

約数和(自身を除く): 19308075

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10463, 31389, 52315, 73241, 156945, 198797, 219723, 366205, 596391, 993985, 1098615, 1391579, 2981955, 4174737, 6957895, 20873685]

約数ペア:

[(1, 20873685), (3, 6957895), (5, 4174737), (7, 2981955), (15, 1391579), (19, 1098615), (21, 993985), (35, 596391), (57, 366205), (95, 219723), (105, 198797), (133, 156945), (285, 73241), (399, 52315), (665, 31389), (1995, 10463)]