20969544

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^2\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 53539920

約数和(自身を除く): 32570376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 177, 236, 251, 354, 472, 502, 708, 753, 1004, 1416, 1506, 2008, 3012, 3481, 6024, 6962, 10443, 13924, 14809, 20886, 27848, 29618, 41772, 44427, 59236, 83544, 88854, 118472, 177708, 355416, 873731, 1747462, 2621193, 3494924, 5242386, 6989848, 10484772, 20969544]

約数ペア:

[(1, 20969544), (2, 10484772), (3, 6989848), (4, 5242386), (6, 3494924), (8, 2621193), (12, 1747462), (24, 873731), (59, 355416), (118, 177708), (177, 118472), (236, 88854), (251, 83544), (354, 59236), (472, 44427), (502, 41772), (708, 29618), (753, 27848), (1004, 20886), (1416, 14809), (1506, 13924), (2008, 10443), (3012, 6962), (3481, 6024)]