20798544

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33331}}^1$

素因数の和:33355

約数の個数: 40

約数和(自身を含む): 57864352

約数和(自身を除く): 37065808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33331, 66662, 99993, 133324, 199986, 266648, 399972, 433303, 533296, 799944, 866606, 1299909, 1599888, 1733212, 2599818, 3466424, 5199636, 6932848, 10399272, 20798544]

約数ペア:

[(1, 20798544), (2, 10399272), (3, 6932848), (4, 5199636), (6, 3466424), (8, 2599818), (12, 1733212), (13, 1599888), (16, 1299909), (24, 866606), (26, 799944), (39, 533296), (48, 433303), (52, 399972), (78, 266648), (104, 199986), (156, 133324), (208, 99993), (312, 66662), (624, 33331)]