20178382020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2454791}}^1$

素因数の和:2454940

約数の個数: 48

約数和(自身を含む): 56911897728

約数和(自身を除く): 36733515708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 4110, 8220, 2454791, 4909582, 7364373, 9819164, 12273955, 14728746, 24547910, 29457492, 36821865, 49095820, 73643730, 147287460, 336306367, 672612734, 1008919101, 1345225468, 1681531835, 2017838202, 3363063670, 4035676404, 5044595505, 6726127340, 10089191010, 20178382020]

約数ペア:

[(1, 20178382020), (2, 10089191010), (3, 6726127340), (4, 5044595505), (5, 4035676404), (6, 3363063670), (10, 2017838202), (12, 1681531835), (15, 1345225468), (20, 1008919101), (30, 672612734), (60, 336306367), (137, 147287460), (274, 73643730), (411, 49095820), (548, 36821865), (685, 29457492), (822, 24547910), (1370, 14728746), (1644, 12273955), (2055, 9819164), (2740, 7364373), (4110, 4909582), (8220, 2454791)]