20322015

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 38763648

約数和(自身を除く): 18441633

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 643, 645, 735, 903, 1505, 1929, 2107, 3215, 4501, 4515, 6321, 9645, 10535, 13503, 22505, 27649, 31507, 31605, 67515, 82947, 94521, 138245, 157535, 193543, 414735, 472605, 580629, 967715, 1354801, 2903145, 4064403, 6774005, 20322015]

約数ペア:

[(1, 20322015), (3, 6774005), (5, 4064403), (7, 2903145), (15, 1354801), (21, 967715), (35, 580629), (43, 472605), (49, 414735), (105, 193543), (129, 157535), (147, 138245), (215, 94521), (245, 82947), (301, 67515), (643, 31605), (645, 31507), (735, 27649), (903, 22505), (1505, 13503), (1929, 10535), (2107, 9645), (3215, 6321), (4501, 4515)]