20373339

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51061}}^1$

素因数の和:51090

約数の個数: 16

約数和(自身を含む): 32679680

約数和(自身を除く): 12306341

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51061, 153183, 357427, 970159, 1072281, 2910477, 6791113, 20373339]

約数ペア:

[(1, 20373339), (3, 6791113), (7, 2910477), (19, 1072281), (21, 970159), (57, 357427), (133, 153183), (399, 51061)]