20512142607

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{460771}}^1$

素因数の和:460875

約数の個数: 32

約数和(自身を含む): 31848560640

約数和(自身を除く): 11336418033

約数列:

[1, 3, 11, 19, 33, 57, 71, 209, 213, 627, 781, 1349, 2343, 4047, 14839, 44517, 460771, 1382313, 5068481, 8754649, 15205443, 26263947, 32714741, 96301139, 98144223, 288903417, 359862151, 621580079, 1079586453, 1864740237, 6837380869, 20512142607]

約数ペア:

[(1, 20512142607), (3, 6837380869), (11, 1864740237), (19, 1079586453), (33, 621580079), (57, 359862151), (71, 288903417), (209, 98144223), (213, 96301139), (627, 32714741), (781, 26263947), (1349, 15205443), (2343, 8754649), (4047, 5068481), (14839, 1382313), (44517, 460771)]