20836935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2281}}^1$

素因数の和:2328

約数の個数: 48

約数和(自身を含む): 42719040

約数和(自身を除く): 21882105

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 2281, 3045, 6843, 9135, 11405, 15967, 20529, 34215, 47901, 66149, 79835, 102645, 143703, 198447, 239505, 330745, 463043, 595341, 718515, 992235, 1389129, 2315215, 2976705, 4167387, 6945645, 20836935]

約数ペア:

[(1, 20836935), (3, 6945645), (5, 4167387), (7, 2976705), (9, 2315215), (15, 1389129), (21, 992235), (29, 718515), (35, 595341), (45, 463043), (63, 330745), (87, 239505), (105, 198447), (145, 143703), (203, 102645), (261, 79835), (315, 66149), (435, 47901), (609, 34215), (1015, 20529), (1305, 15967), (1827, 11405), (2281, 9135), (3045, 6843)]