20777060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 47110896

約数和(自身を除く): 26333836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1153, 1802, 2306, 3604, 4505, 4612, 5765, 9010, 11530, 18020, 19601, 23060, 39202, 61109, 78404, 98005, 122218, 196010, 244436, 305545, 392020, 611090, 1038853, 1222180, 2077706, 4155412, 5194265, 10388530, 20777060]

約数ペア:

[(1, 20777060), (2, 10388530), (4, 5194265), (5, 4155412), (10, 2077706), (17, 1222180), (20, 1038853), (34, 611090), (53, 392020), (68, 305545), (85, 244436), (106, 196010), (170, 122218), (212, 98005), (265, 78404), (340, 61109), (530, 39202), (901, 23060), (1060, 19601), (1153, 18020), (1802, 11530), (2306, 9010), (3604, 5765), (4505, 4612)]