20951008510

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{87511}}^1$

素因数の和:87876

約数の個数: 32

約数和(自身を含む): 38277748800

約数和(自身を除く): 17326740290

約数列:

[1, 2, 5, 10, 89, 178, 269, 445, 538, 890, 1345, 2690, 23941, 47882, 87511, 119705, 175022, 239410, 437555, 875110, 7788479, 15576958, 23540459, 38942395, 47080918, 77884790, 117702295, 235404590, 2095100851, 4190201702, 10475504255, 20951008510]

約数ペア:

[(1, 20951008510), (2, 10475504255), (5, 4190201702), (10, 2095100851), (89, 235404590), (178, 117702295), (269, 77884790), (445, 47080918), (538, 38942395), (890, 23540459), (1345, 15576958), (2690, 7788479), (23941, 875110), (47882, 437555), (87511, 239410), (119705, 175022)]