22177780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6803}}^1$

素因数の和:6975

約数の個数: 24

約数和(自身を含む): 46865952

約数和(自身を除く): 24688172

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6803, 13606, 27212, 34015, 68030, 136060, 1108889, 2217778, 4435556, 5544445, 11088890, 22177780]

約数ペア:

[(1, 22177780), (2, 11088890), (4, 5544445), (5, 4435556), (10, 2217778), (20, 1108889), (163, 136060), (326, 68030), (652, 34015), (815, 27212), (1630, 13606), (3260, 6803)]