20216559

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 30498048

約数和(自身を除く): 10281489

約数列:

[1, 3, 11, 33, 61, 83, 121, 183, 249, 363, 671, 913, 1331, 2013, 2739, 3993, 5063, 7381, 10043, 15189, 22143, 30129, 55693, 81191, 110473, 167079, 243573, 331419, 612623, 1837869, 6738853, 20216559]

約数ペア:

[(1, 20216559), (3, 6738853), (11, 1837869), (33, 612623), (61, 331419), (83, 243573), (121, 167079), (183, 110473), (249, 81191), (363, 55693), (671, 30129), (913, 22143), (1331, 15189), (2013, 10043), (2739, 7381), (3993, 5063)]