19840660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141719}}^1$

素因数の和:141735

約数の個数: 24

約数和(自身を含む): 47617920

約数和(自身を除く): 27777260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141719, 283438, 566876, 708595, 992033, 1417190, 1984066, 2834380, 3968132, 4960165, 9920330, 19840660]

約数ペア:

[(1, 19840660), (2, 9920330), (4, 4960165), (5, 3968132), (7, 2834380), (10, 1984066), (14, 1417190), (20, 992033), (28, 708595), (35, 566876), (70, 283438), (140, 141719)]