20557134

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1489}}^1$

素因数の和:1569

約数の個数: 48

約数和(自身を含む): 48812400

約数和(自身を除く): 28255266

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 117, 118, 177, 234, 354, 531, 767, 1062, 1489, 1534, 2301, 2978, 4467, 4602, 6903, 8934, 13401, 13806, 19357, 26802, 38714, 58071, 87851, 116142, 174213, 175702, 263553, 348426, 527106, 790659, 1142063, 1581318, 2284126, 3426189, 6852378, 10278567, 20557134]

約数ペア:

[(1, 20557134), (2, 10278567), (3, 6852378), (6, 3426189), (9, 2284126), (13, 1581318), (18, 1142063), (26, 790659), (39, 527106), (59, 348426), (78, 263553), (117, 175702), (118, 174213), (177, 116142), (234, 87851), (354, 58071), (531, 38714), (767, 26802), (1062, 19357), (1489, 13806), (1534, 13401), (2301, 8934), (2978, 6903), (4467, 4602)]