20487194

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1237}}^1$

素因数の和:1279

約数の個数: 36

約数和(自身を含む): 38740734

約数和(自身を除く): 18253540

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 169, 182, 338, 637, 1183, 1237, 1274, 2366, 2474, 8281, 8659, 16081, 16562, 17318, 32162, 60613, 112567, 121226, 209053, 225134, 418106, 787969, 1463371, 1575938, 2926742, 10243597, 20487194]

約数ペア:

[(1, 20487194), (2, 10243597), (7, 2926742), (13, 1575938), (14, 1463371), (26, 787969), (49, 418106), (91, 225134), (98, 209053), (169, 121226), (182, 112567), (338, 60613), (637, 32162), (1183, 17318), (1237, 16562), (1274, 16081), (2366, 8659), (2474, 8281)]