20797554

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 42666624

約数和(自身を除く): 21869070

約数列:

[1, 2, 3, 6, 73, 103, 146, 206, 219, 309, 438, 461, 618, 922, 1383, 2766, 7519, 15038, 22557, 33653, 45114, 47483, 67306, 94966, 100959, 142449, 201918, 284898, 3466259, 6932518, 10398777, 20797554]

約数ペア:

[(1, 20797554), (2, 10398777), (3, 6932518), (6, 3466259), (73, 284898), (103, 201918), (146, 142449), (206, 100959), (219, 94966), (309, 67306), (438, 47483), (461, 45114), (618, 33653), (922, 22557), (1383, 15038), (2766, 7519)]