20642012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2837}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 38619504

約数和(自身を除く): 17977492

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 2837, 3638, 5674, 7276, 11348, 48229, 96458, 192916, 303559, 607118, 1214236, 5160503, 10321006, 20642012]

約数ペア:

[(1, 20642012), (2, 10321006), (4, 5160503), (17, 1214236), (34, 607118), (68, 303559), (107, 192916), (214, 96458), (428, 48229), (1819, 11348), (2837, 7276), (3638, 5674)]