20840220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38593}}^1$

素因数の和:38611

約数の個数: 48

約数和(自身を含む): 64837920

約数和(自身を除く): 43997700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38593, 77186, 115779, 154372, 192965, 231558, 347337, 385930, 463116, 578895, 694674, 771860, 1042011, 1157790, 1389348, 1736685, 2084022, 2315580, 3473370, 4168044, 5210055, 6946740, 10420110, 20840220]

約数ペア:

[(1, 20840220), (2, 10420110), (3, 6946740), (4, 5210055), (5, 4168044), (6, 3473370), (9, 2315580), (10, 2084022), (12, 1736685), (15, 1389348), (18, 1157790), (20, 1042011), (27, 771860), (30, 694674), (36, 578895), (45, 463116), (54, 385930), (60, 347337), (90, 231558), (108, 192965), (135, 154372), (180, 115779), (270, 77186), (540, 38593)]