20160220171

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1\times {\mathrm{1949}}^1$

素因数の和:2743

約数の個数: 32

約数和(自身を含む): 24994569600

約数和(自身を除く): 4834349429

約数列:

[1, 7, 13, 91, 197, 577, 1379, 1949, 2561, 4039, 7501, 13643, 17927, 25337, 52507, 113669, 177359, 383953, 795683, 1124573, 1477697, 2687671, 4991389, 7872011, 10343879, 14619449, 34939723, 102336143, 221540881, 1550786167, 2880031453, 20160220171]

約数ペア:

[(1, 20160220171), (7, 2880031453), (13, 1550786167), (91, 221540881), (197, 102336143), (577, 34939723), (1379, 14619449), (1949, 10343879), (2561, 7872011), (4039, 4991389), (7501, 2687671), (13643, 1477697), (17927, 1124573), (25337, 795683), (52507, 383953), (113669, 177359)]