20303787

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3733}}^1$

素因数の和:3787

約数の個数: 24

約数和(自身を含む): 32351376

約数和(自身を除く): 12047589

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3733, 5439, 11199, 26131, 78393, 138121, 182917, 414363, 548751, 966847, 2900541, 6767929, 20303787]

約数ペア:

[(1, 20303787), (3, 6767929), (7, 2900541), (21, 966847), (37, 548751), (49, 414363), (111, 182917), (147, 138121), (259, 78393), (777, 26131), (1813, 11199), (3733, 5439)]