20189476769

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4298377}}^1$

素因数の和:4298456

約数の個数: 16

約数和(自身を含む): 25583945856

約数和(自身を除く): 5394469087

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 4298377, 30088639, 47282147, 262200997, 330975029, 1835406979, 2884210967, 20189476769]

約数ペア:

[(1, 20189476769), (7, 2884210967), (11, 1835406979), (61, 330975029), (77, 262200997), (427, 47282147), (671, 30088639), (4697, 4298377)]