20037718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4091}}^1$

素因数の和:4203

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 11388842

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4091, 4898, 8182, 126821, 253642, 323189, 646378, 10018859, 20037718]

約数ペア:

[(1, 20037718), (2, 10018859), (31, 646378), (62, 323189), (79, 253642), (158, 126821), (2449, 8182), (4091, 4898)]