20178807776

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{6243443}}^1$

素因数の和:6243554

約数の個数: 24

約数和(自身を含む): 40120371144

約数和(自身を除く): 19941563368

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 6243443, 12486886, 24973772, 49947544, 99895088, 199790176, 630587743, 1261175486, 2522350972, 5044701944, 10089403888, 20178807776]

約数ペア:

[(1, 20178807776), (2, 10089403888), (4, 5044701944), (8, 2522350972), (16, 1261175486), (32, 630587743), (101, 199790176), (202, 99895088), (404, 49947544), (808, 24973772), (1616, 12486886), (3232, 6243443)]