20145753033

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{907589}}^1$

素因数の和:907757

約数の個数: 24

約数和(自身を含む): 31453439040

約数和(自身を除く): 11307686007

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 1057, 3171, 7399, 22197, 907589, 2722767, 6353123, 19059369, 44471861, 133415583, 137045939, 411137817, 959321573, 2877964719, 6715251011, 20145753033]

約数ペア:

[(1, 20145753033), (3, 6715251011), (7, 2877964719), (21, 959321573), (49, 411137817), (147, 137045939), (151, 133415583), (453, 44471861), (1057, 19059369), (3171, 6353123), (7399, 2722767), (22197, 907589)]