20171255260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2221}}^1\times {\mathrm{2687}}^1$

素因数の和:4943

約数の個数: 72

約数和(自身を含む): 45906448896

約数和(自身を除く): 25735193636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2221, 2687, 3380, 4442, 5374, 8884, 10748, 11105, 13435, 22210, 26870, 28873, 34931, 44420, 53740, 57746, 69862, 115492, 139724, 144365, 174655, 288730, 349310, 375349, 454103, 577460, 698620, 750698, 908206, 1501396, 1816412, 1876745, 2270515, 3753490, 4541030, 5967827, 7506980, 9082060, 11935654, 23871308, 29839135, 59678270, 77581751, 119356540, 155163502, 310327004, 387908755, 775817510, 1008562763, 1551635020, 2017125526, 4034251052, 5042813815, 10085627630, 20171255260]

約数ペア:

[(1, 20171255260), (2, 10085627630), (4, 5042813815), (5, 4034251052), (10, 2017125526), (13, 1551635020), (20, 1008562763), (26, 775817510), (52, 387908755), (65, 310327004), (130, 155163502), (169, 119356540), (260, 77581751), (338, 59678270), (676, 29839135), (845, 23871308), (1690, 11935654), (2221, 9082060), (2687, 7506980), (3380, 5967827), (4442, 4541030), (5374, 3753490), (8884, 2270515), (10748, 1876745), (11105, 1816412), (13435, 1501396), (22210, 908206), (26870, 750698), (28873, 698620), (34931, 577460), (44420, 454103), (53740, 375349), (57746, 349310), (69862, 288730), (115492, 174655), (139724, 144365)]