20090531630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1\times {\mathrm{21739}}^1$

素因数の和:28868

約数の個数: 32

約数和(自身を含む): 38951992800

約数和(自身を除く): 18861461170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7109, 14218, 21739, 35545, 43478, 71090, 92417, 108695, 184834, 217390, 282607, 462085, 565214, 924170, 1413035, 2826070, 154542551, 309085102, 772712755, 1545425510, 2009053163, 4018106326, 10045265815, 20090531630]

約数ペア:

[(1, 20090531630), (2, 10045265815), (5, 4018106326), (10, 2009053163), (13, 1545425510), (26, 772712755), (65, 309085102), (130, 154542551), (7109, 2826070), (14218, 1413035), (21739, 924170), (35545, 565214), (43478, 462085), (71090, 282607), (92417, 217390), (108695, 184834)]