20404846878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261600601}}^1$

素因数の和:261600619

約数の個数: 16

約数和(自身を含む): 43948901136

約数和(自身を除く): 23544054258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 261600601, 523201202, 784801803, 1569603606, 3400807813, 6801615626, 10202423439, 20404846878]

約数ペア:

[(1, 20404846878), (2, 10202423439), (3, 6801615626), (6, 3400807813), (13, 1569603606), (26, 784801803), (39, 523201202), (78, 261600601)]