20682519

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 33298944

約数和(自身を除く): 12616425

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1303, 1443, 3909, 5291, 14333, 15873, 16939, 42999, 48211, 50817, 144633, 186329, 530321, 558987, 626743, 1590963, 1880229, 6894173, 20682519]

約数ペア:

[(1, 20682519), (3, 6894173), (11, 1880229), (13, 1590963), (33, 626743), (37, 558987), (39, 530321), (111, 186329), (143, 144633), (407, 50817), (429, 48211), (481, 42999), (1221, 16939), (1303, 15873), (1443, 14333), (3909, 5291)]