20135668

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5407}}^1$

素因数の和:5444

約数の個数: 36

約数和(自身を含む): 43155840

約数和(自身を除く): 23020172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5407, 10814, 21628, 37849, 75698, 102733, 151396, 205466, 264943, 410932, 529886, 719131, 1059772, 1438262, 2876524, 5033917, 10067834, 20135668]

約数ペア:

[(1, 20135668), (2, 10067834), (4, 5033917), (7, 2876524), (14, 1438262), (19, 1059772), (28, 719131), (38, 529886), (49, 410932), (76, 264943), (98, 205466), (133, 151396), (196, 102733), (266, 75698), (532, 37849), (931, 21628), (1862, 10814), (3724, 5407)]