20163665655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1084943}}^1$

素因数の和:1085020

約数の個数: 48

約数和(自身を含む): 40620303360

約数和(自身を除く): 20456637705

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 59, 63, 105, 177, 295, 315, 413, 531, 885, 1239, 2065, 2655, 3717, 6195, 18585, 1084943, 3254829, 5424715, 7594601, 9764487, 16274145, 22783803, 37973005, 48822435, 64011637, 68351409, 113919015, 192034911, 320058185, 341757045, 448081459, 576104733, 960174555, 1344244377, 2240407295, 2880523665, 4032733131, 6721221885, 20163665655]

約数ペア:

[(1, 20163665655), (3, 6721221885), (5, 4032733131), (7, 2880523665), (9, 2240407295), (15, 1344244377), (21, 960174555), (35, 576104733), (45, 448081459), (59, 341757045), (63, 320058185), (105, 192034911), (177, 113919015), (295, 68351409), (315, 64011637), (413, 48822435), (531, 37973005), (885, 22783803), (1239, 16274145), (2065, 9764487), (2655, 7594601), (3717, 5424715), (6195, 3254829), (18585, 1084943)]