15212020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16183}}^1$

素因数の和:16239

約数の個数: 24

約数和(自身を含む): 32626944

約数和(自身を除く): 17414924

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 16183, 32366, 64732, 80915, 161830, 323660, 760601, 1521202, 3042404, 3803005, 7606010, 15212020]

約数ペア:

[(1, 15212020), (2, 7606010), (4, 3803005), (5, 3042404), (10, 1521202), (20, 760601), (47, 323660), (94, 161830), (188, 80915), (235, 64732), (470, 32366), (940, 16183)]