20692154

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 36702720

約数和(自身を除く): 16010566

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 353, 371, 553, 706, 742, 1106, 2471, 4187, 4942, 8374, 18709, 27887, 29309, 37418, 55774, 58618, 130963, 195209, 261926, 390418, 1478011, 2956022, 10346077, 20692154]

約数ペア:

[(1, 20692154), (2, 10346077), (7, 2956022), (14, 1478011), (53, 390418), (79, 261926), (106, 195209), (158, 130963), (353, 58618), (371, 55774), (553, 37418), (706, 29309), (742, 27887), (1106, 18709), (2471, 8374), (4187, 4942)]