20178049364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{420341}}^1$

素因数の和:421447

約数の個数: 24

約数和(自身を含む): 38557130976

約数和(自身を除く): 18379081612

約数列:

[1, 2, 4, 11, 22, 44, 1091, 2182, 4364, 12001, 24002, 48004, 420341, 840682, 1681364, 4623751, 9247502, 18495004, 458592031, 917184062, 1834368124, 5044512341, 10089024682, 20178049364]

約数ペア:

[(1, 20178049364), (2, 10089024682), (4, 5044512341), (11, 1834368124), (22, 917184062), (44, 458592031), (1091, 18495004), (2182, 9247502), (4364, 4623751), (12001, 1681364), (24002, 840682), (48004, 420341)]