20139920612

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{784387}}^1$

素因数の和:784536

約数の個数: 36

約数和(自身を含む): 41312147184

約数和(自身を除く): 21172226572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 3668, 6419, 12838, 25676, 784387, 1568774, 3137548, 5490709, 10981418, 21962836, 38434963, 76869926, 102754697, 153739852, 205509394, 411018788, 719282879, 1438565758, 2877131516, 5034980153, 10069960306, 20139920612]

約数ペア:

[(1, 20139920612), (2, 10069960306), (4, 5034980153), (7, 2877131516), (14, 1438565758), (28, 719282879), (49, 411018788), (98, 205509394), (131, 153739852), (196, 102754697), (262, 76869926), (524, 38434963), (917, 21962836), (1834, 10981418), (3668, 5490709), (6419, 3137548), (12838, 1568774), (25676, 784387)]