20701818

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7517}}^1$

素因数の和:7548

約数の個数: 40

約数和(自身を含む): 49122612

約数和(自身を除く): 28420794

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7517, 15034, 22551, 45102, 67653, 127789, 135306, 202959, 255578, 383367, 405918, 608877, 766734, 1150101, 1217754, 2300202, 3450303, 6900606, 10350909, 20701818]

約数ペア:

[(1, 20701818), (2, 10350909), (3, 6900606), (6, 3450303), (9, 2300202), (17, 1217754), (18, 1150101), (27, 766734), (34, 608877), (51, 405918), (54, 383367), (81, 255578), (102, 202959), (153, 135306), (162, 127789), (306, 67653), (459, 45102), (918, 22551), (1377, 15034), (2754, 7517)]