20388966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6079}}^1$

素因数の和:6140

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 24554394

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6079, 12158, 18237, 36474, 79027, 158054, 237081, 261397, 474162, 522794, 784191, 1568382, 3398161, 6796322, 10194483, 20388966]

約数ペア:

[(1, 20388966), (2, 10194483), (3, 6796322), (6, 3398161), (13, 1568382), (26, 784191), (39, 522794), (43, 474162), (78, 261397), (86, 237081), (129, 158054), (258, 79027), (559, 36474), (1118, 18237), (1677, 12158), (3354, 6079)]