2013401420

素因数分解:

$2^2\times 5^1\times {\mathrm{2389}}^1\times {\mathrm{42139}}^1$

素因数の和:44537

約数の個数: 24

約数和(自身を含む): 4230013200

約数和(自身を除く): 2216611780

約数列:

[1, 2, 4, 5, 10, 20, 2389, 4778, 9556, 11945, 23890, 42139, 47780, 84278, 168556, 210695, 421390, 842780, 100670071, 201340142, 402680284, 503350355, 1006700710, 2013401420]

約数ペア:

[(1, 2013401420), (2, 1006700710), (4, 503350355), (5, 402680284), (10, 201340142), (20, 100670071), (2389, 842780), (4778, 421390), (9556, 210695), (11945, 168556), (23890, 84278), (42139, 47780)]