20338012

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 36867600

約数和(自身を除く): 16529588

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1049, 2098, 4196, 4847, 9694, 19388, 38813, 77626, 137419, 155252, 274838, 549676, 5084503, 10169006, 20338012]

約数ペア:

[(1, 20338012), (2, 10169006), (4, 5084503), (37, 549676), (74, 274838), (131, 155252), (148, 137419), (262, 77626), (524, 38813), (1049, 19388), (2098, 9694), (4196, 4847)]