17448020

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1361}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 36724968

約数和(自身を除く): 19276948

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 1361, 2564, 2722, 3205, 5444, 6410, 6805, 12820, 13610, 27220, 872401, 1744802, 3489604, 4362005, 8724010, 17448020]

約数ペア:

[(1, 17448020), (2, 8724010), (4, 4362005), (5, 3489604), (10, 1744802), (20, 872401), (641, 27220), (1282, 13610), (1361, 12820), (2564, 6805), (2722, 6410), (3205, 5444)]