20781623513

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1\times {\mathrm{96581}}^1$

素因数の和:97168

約数の個数: 16

約数和(自身を含む): 24199585920

約数和(自身を除く): 3417962407

約数列:

[1, 7, 59, 413, 521, 3647, 30739, 96581, 215173, 676067, 5698279, 39887953, 50318701, 352230907, 2968803359, 20781623513]

約数ペア:

[(1, 20781623513), (7, 2968803359), (59, 352230907), (413, 50318701), (521, 39887953), (3647, 5698279), (30739, 676067), (96581, 215173)]