16445620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{9907}}^1$

素因数の和:9999

約数の個数: 24

約数和(自身を含む): 34955424

約数和(自身を除く): 18509804

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 9907, 19814, 39628, 49535, 99070, 198140, 822281, 1644562, 3289124, 4111405, 8222810, 16445620]

約数ペア:

[(1, 16445620), (2, 8222810), (4, 4111405), (5, 3289124), (10, 1644562), (20, 822281), (83, 198140), (166, 99070), (332, 49535), (415, 39628), (830, 19814), (1660, 9907)]