2077420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4390848

約数和(自身を除く): 2313428

約数列:

[1, 2, 4, 5, 10, 20, 241, 431, 482, 862, 964, 1205, 1724, 2155, 2410, 4310, 4820, 8620, 103871, 207742, 415484, 519355, 1038710, 2077420]

約数ペア:

[(1, 2077420), (2, 1038710), (4, 519355), (5, 415484), (10, 207742), (20, 103871), (241, 8620), (431, 4820), (482, 4310), (862, 2410), (964, 2155), (1205, 1724)]