20795151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 10815729

約数列:

[1, 3, 13, 23, 39, 69, 97, 239, 291, 299, 717, 897, 1261, 2231, 3107, 3783, 5497, 6693, 9321, 16491, 23183, 29003, 69549, 71461, 87009, 214383, 301379, 533209, 904137, 1599627, 6931717, 20795151]

約数ペア:

[(1, 20795151), (3, 6931717), (13, 1599627), (23, 904137), (39, 533209), (69, 301379), (97, 214383), (239, 87009), (291, 71461), (299, 69549), (717, 29003), (897, 23183), (1261, 16491), (2231, 9321), (3107, 6693), (3783, 5497)]