20201398281

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{9391631}}^1$

素因数の和:9391876

約数の個数: 12

約数和(自身を含む): 29301891840

約数和(自身を除く): 9100493559

約数列:

[1, 3, 9, 239, 717, 2151, 9391631, 28174893, 84524679, 2244599809, 6733799427, 20201398281]

約数ペア:

[(1, 20201398281), (3, 6733799427), (9, 2244599809), (239, 84524679), (717, 28174893), (2151, 9391631)]