20755059

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 31073280

約数和(自身を除く): 10318221

約数列:

[1, 3, 13, 39, 47, 67, 141, 169, 201, 507, 611, 871, 1833, 2197, 2613, 3149, 6591, 7943, 9447, 11323, 23829, 33969, 40937, 103259, 122811, 147199, 309777, 441597, 532181, 1596543, 6918353, 20755059]

約数ペア:

[(1, 20755059), (3, 6918353), (13, 1596543), (39, 532181), (47, 441597), (67, 309777), (141, 147199), (169, 122811), (201, 103259), (507, 40937), (611, 33969), (871, 23829), (1833, 11323), (2197, 9447), (2613, 7943), (3149, 6591)]