20277540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12517}}^1$

素因数の和:12538

約数の個数: 60

約数和(自身を含む): 63616476

約数和(自身を除く): 43338936

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12517, 25034, 37551, 50068, 62585, 75102, 112653, 125170, 150204, 187755, 225306, 250340, 337959, 375510, 450612, 563265, 675918, 751020, 1013877, 1126530, 1351836, 1689795, 2027754, 2253060, 3379590, 4055508, 5069385, 6759180, 10138770, 20277540]

約数ペア:

[(1, 20277540), (2, 10138770), (3, 6759180), (4, 5069385), (5, 4055508), (6, 3379590), (9, 2253060), (10, 2027754), (12, 1689795), (15, 1351836), (18, 1126530), (20, 1013877), (27, 751020), (30, 675918), (36, 563265), (45, 450612), (54, 375510), (60, 337959), (81, 250340), (90, 225306), (108, 187755), (135, 150204), (162, 125170), (180, 112653), (270, 75102), (324, 62585), (405, 50068), (540, 37551), (810, 25034), (1620, 12517)]