20409015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3343}}^1$

素因数の和:3399

約数の個数: 32

約数和(自身を含む): 36596736

約数和(自身を除く): 16187721

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3343, 6105, 10029, 16715, 36773, 50145, 110319, 123691, 183865, 371073, 551595, 618455, 1360601, 1855365, 4081803, 6803005, 20409015]

約数ペア:

[(1, 20409015), (3, 6803005), (5, 4081803), (11, 1855365), (15, 1360601), (33, 618455), (37, 551595), (55, 371073), (111, 183865), (165, 123691), (185, 110319), (407, 50145), (555, 36773), (1221, 16715), (2035, 10029), (3343, 6105)]