20491926

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2887}}^1$

素因数の和:2925

約数の個数: 48

約数和(自身を含む): 50736384

約数和(自身を除く): 30244458

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 273, 338, 507, 546, 1014, 1183, 2366, 2887, 3549, 5774, 7098, 8661, 17322, 20209, 37531, 40418, 60627, 75062, 112593, 121254, 225186, 262717, 487903, 525434, 788151, 975806, 1463709, 1576302, 2927418, 3415321, 6830642, 10245963, 20491926]

約数ペア:

[(1, 20491926), (2, 10245963), (3, 6830642), (6, 3415321), (7, 2927418), (13, 1576302), (14, 1463709), (21, 975806), (26, 788151), (39, 525434), (42, 487903), (78, 262717), (91, 225186), (169, 121254), (182, 112593), (273, 75062), (338, 60627), (507, 40418), (546, 37531), (1014, 20209), (1183, 17322), (2366, 8661), (2887, 7098), (3549, 5774)]