20675643568

素因数分解:

$2^4\times {\mathrm{1423}}^1\times {\mathrm{908101}}^1$

素因数の和:909532

約数の個数: 20

約数和(自身を含む): 40087254688

約数和(自身を除く): 19411611120

約数列:

[1, 2, 4, 8, 16, 1423, 2846, 5692, 11384, 22768, 908101, 1816202, 3632404, 7264808, 14529616, 1292227723, 2584455446, 5168910892, 10337821784, 20675643568]

約数ペア:

[(1, 20675643568), (2, 10337821784), (4, 5168910892), (8, 2584455446), (16, 1292227723), (1423, 14529616), (2846, 7264808), (5692, 3632404), (11384, 1816202), (22768, 908101)]