20730442078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1\times {\mathrm{3989}}^1$

素因数の和:4900

約数の個数: 32

約数和(自身を含む): 32443488000

約数和(自身を除く): 11713045922

約数列:

[1, 2, 31, 62, 109, 218, 769, 1538, 3379, 3989, 6758, 7978, 23839, 47678, 83821, 123659, 167642, 247318, 434801, 869602, 2598451, 3067541, 5196902, 6135082, 13478831, 26957662, 95093771, 190187542, 334361969, 668723938, 10365221039, 20730442078]

約数ペア:

[(1, 20730442078), (2, 10365221039), (31, 668723938), (62, 334361969), (109, 190187542), (218, 95093771), (769, 26957662), (1538, 13478831), (3379, 6135082), (3989, 5196902), (6758, 3067541), (7978, 2598451), (23839, 869602), (47678, 434801), (83821, 247318), (123659, 167642)]