20581254

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 47747232

約数和(自身を除く): 27165978

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 103, 153, 206, 306, 309, 618, 653, 927, 1306, 1751, 1854, 1959, 3502, 3918, 5253, 5877, 10506, 11101, 11754, 15759, 22202, 31518, 33303, 66606, 67259, 99909, 134518, 199818, 201777, 403554, 605331, 1143403, 1210662, 2286806, 3430209, 6860418, 10290627, 20581254]

約数ペア:

[(1, 20581254), (2, 10290627), (3, 6860418), (6, 3430209), (9, 2286806), (17, 1210662), (18, 1143403), (34, 605331), (51, 403554), (102, 201777), (103, 199818), (153, 134518), (206, 99909), (306, 67259), (309, 66606), (618, 33303), (653, 31518), (927, 22202), (1306, 15759), (1751, 11754), (1854, 11101), (1959, 10506), (3502, 5877), (3918, 5253)]