20986467088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1307731}}^1$

素因数の和:1307815

約数の個数: 40

約数和(自身を含む): 43782867360

約数和(自身を除く): 22796400272

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 2006, 4012, 8024, 16048, 1307731, 2615462, 5230924, 10461848, 20923696, 22231427, 44462854, 77156129, 88925708, 154312258, 177851416, 308624516, 355702832, 617249032, 1234498064, 1311654193, 2623308386, 5246616772, 10493233544, 20986467088]

約数ペア:

[(1, 20986467088), (2, 10493233544), (4, 5246616772), (8, 2623308386), (16, 1311654193), (17, 1234498064), (34, 617249032), (59, 355702832), (68, 308624516), (118, 177851416), (136, 154312258), (236, 88925708), (272, 77156129), (472, 44462854), (944, 22231427), (1003, 20923696), (2006, 10461848), (4012, 5230924), (8024, 2615462), (16048, 1307731)]