20998248

素因数分解:

$2^3\times 3^1\times {\mathrm{439}}^1\times {\mathrm{1993}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 52641600

約数和(自身を除く): 31643352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 439, 878, 1317, 1756, 1993, 2634, 3512, 3986, 5268, 5979, 7972, 10536, 11958, 15944, 23916, 47832, 874927, 1749854, 2624781, 3499708, 5249562, 6999416, 10499124, 20998248]

約数ペア:

[(1, 20998248), (2, 10499124), (3, 6999416), (4, 5249562), (6, 3499708), (8, 2624781), (12, 1749854), (24, 874927), (439, 47832), (878, 23916), (1317, 15944), (1756, 11958), (1993, 10536), (2634, 7972), (3512, 5979), (3986, 5268)]