20354530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2879}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21946910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2879, 3535, 5758, 7070, 14395, 20153, 28790, 40306, 100765, 201530, 290779, 581558, 1453895, 2035453, 2907790, 4070906, 10177265, 20354530]

約数ペア:

[(1, 20354530), (2, 10177265), (5, 4070906), (7, 2907790), (10, 2035453), (14, 1453895), (35, 581558), (70, 290779), (101, 201530), (202, 100765), (505, 40306), (707, 28790), (1010, 20153), (1414, 14395), (2879, 7070), (3535, 5758)]