20218691217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1\times {\mathrm{2693}}^1$

素因数の和:4053

約数の個数: 32

約数和(自身を含む): 28676229120

約数和(自身を除く): 8457537903

約数列:

[1, 3, 19, 57, 107, 321, 1231, 2033, 2693, 3693, 6099, 8079, 23389, 51167, 70167, 131717, 153501, 288151, 395151, 864453, 2502623, 3315083, 5474869, 7507869, 9945249, 16424607, 62986577, 188959731, 354713881, 1064141643, 6739563739, 20218691217]

約数ペア:

[(1, 20218691217), (3, 6739563739), (19, 1064141643), (57, 354713881), (107, 188959731), (321, 62986577), (1231, 16424607), (2033, 9945249), (2693, 7507869), (3693, 5474869), (6099, 3315083), (8079, 2502623), (23389, 864453), (51167, 395151), (70167, 288151), (131717, 153501)]