20587245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6761}}^1$

素因数の和:6805

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 18361875

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6761, 20283, 33805, 47327, 101415, 141981, 196069, 236635, 588207, 709905, 980345, 1372483, 2941035, 4117449, 6862415, 20587245]

約数ペア:

[(1, 20587245), (3, 6862415), (5, 4117449), (7, 2941035), (15, 1372483), (21, 980345), (29, 709905), (35, 588207), (87, 236635), (105, 196069), (145, 141981), (203, 101415), (435, 47327), (609, 33805), (1015, 20283), (3045, 6761)]