20071923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{887}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 28273920

約数和(自身を除く): 8201997

約数列:

[1, 3, 19, 57, 397, 887, 1191, 2661, 7543, 16853, 22629, 50559, 352139, 1056417, 6690641, 20071923]

約数ペア:

[(1, 20071923), (3, 6690641), (19, 1056417), (57, 352139), (397, 50559), (887, 22629), (1191, 16853), (2661, 7543)]