20745063

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1303}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 31530720

約数和(自身を除く): 10785657

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1303, 1769, 3909, 5307, 11727, 15921, 37787, 79483, 113361, 238449, 340083, 715347, 2305007, 6915021, 20745063]

約数ペア:

[(1, 20745063), (3, 6915021), (9, 2305007), (29, 715347), (61, 340083), (87, 238449), (183, 113361), (261, 79483), (549, 37787), (1303, 15921), (1769, 11727), (3909, 5307)]