20789946

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7549}}^1$

素因数の和:7580

約数の個数: 40

約数和(自身を含む): 49331700

約数和(自身を除く): 28541754

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7549, 15098, 22647, 45294, 67941, 128333, 135882, 203823, 256666, 384999, 407646, 611469, 769998, 1154997, 1222938, 2309994, 3464991, 6929982, 10394973, 20789946]

約数ペア:

[(1, 20789946), (2, 10394973), (3, 6929982), (6, 3464991), (9, 2309994), (17, 1222938), (18, 1154997), (27, 769998), (34, 611469), (51, 407646), (54, 384999), (81, 256666), (102, 203823), (153, 135882), (162, 128333), (306, 67941), (459, 45294), (918, 22647), (1377, 15098), (2754, 7549)]