20408973612

素因数分解:

$2^2\times 3^1\times {\mathrm{421}}^1\times {\mathrm{4039781}}^1$

素因数の和:4040209

約数の個数: 24

約数和(自身を含む): 47734064112

約数和(自身を除く): 27325090500

約数列:

[1, 2, 3, 4, 6, 12, 421, 842, 1263, 1684, 2526, 5052, 4039781, 8079562, 12119343, 16159124, 24238686, 48477372, 1700747801, 3401495602, 5102243403, 6802991204, 10204486806, 20408973612]

約数ペア:

[(1, 20408973612), (2, 10204486806), (3, 6802991204), (4, 5102243403), (6, 3401495602), (12, 1700747801), (421, 48477372), (842, 24238686), (1263, 16159124), (1684, 12119343), (2526, 8079562), (5052, 4039781)]