20615580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38177}}^1$

素因数の和:38195

約数の個数: 48

約数和(自身を含む): 64139040

約数和(自身を除く): 43523460

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, 38177, 76354, 114531, 152708, 190885, 229062, 343593, 381770, 458124, 572655, 687186, 763540, 1030779, 1145310, 1374372, 1717965, 2061558, 2290620, 3435930, 4123116, 5153895, 6871860, 10307790, 20615580]

約数ペア:

[(1, 20615580), (2, 10307790), (3, 6871860), (4, 5153895), (5, 4123116), (6, 3435930), (9, 2290620), (10, 2061558), (12, 1717965), (15, 1374372), (18, 1145310), (20, 1030779), (27, 763540), (30, 687186), (36, 572655), (45, 458124), (54, 381770), (60, 343593), (90, 229062), (108, 190885), (135, 152708), (180, 114531), (270, 76354), (540, 38177)]