20037521

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 24624000

約数和(自身を除く): 4586479

約数列:

[1, 7, 29, 49, 59, 203, 239, 413, 1421, 1673, 1711, 2891, 6931, 11711, 11977, 14101, 48517, 83839, 98707, 339619, 408929, 690949, 2862503, 20037521]

約数ペア:

[(1, 20037521), (7, 2862503), (29, 690949), (49, 408929), (59, 339619), (203, 98707), (239, 83839), (413, 48517), (1421, 14101), (1673, 11977), (1711, 11711), (2891, 6931)]