20174489278

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1\times {\mathrm{64717}}^1$

素因数の和:66771

約数の個数: 16

約数和(自身を含む): 30660799680

約数和(自身を除く): 10486310402

約数列:

[1, 2, 79, 158, 1973, 3946, 64717, 129434, 155867, 311734, 5112643, 10225286, 127686641, 255373282, 10087244639, 20174489278]

約数ペア:

[(1, 20174489278), (2, 10087244639), (79, 255373282), (158, 127686641), (1973, 10225286), (3946, 5112643), (64717, 311734), (129434, 155867)]