20242551

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 32693760

約数和(自身を除く): 12451209

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 773, 903, 1247, 2319, 3741, 5411, 8729, 16233, 22417, 26187, 33239, 67251, 99717, 156919, 232673, 470757, 698019, 963931, 2891793, 6747517, 20242551]

約数ペア:

[(1, 20242551), (3, 6747517), (7, 2891793), (21, 963931), (29, 698019), (43, 470757), (87, 232673), (129, 156919), (203, 99717), (301, 67251), (609, 33239), (773, 26187), (903, 22417), (1247, 16233), (2319, 8729), (3741, 5411)]