20519898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3847}}^1$

素因数の和:3986

約数の個数: 32

約数和(自身を含む): 47284224

約数和(自身を除く): 26764326

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 3847, 5334, 7694, 11541, 23082, 26929, 53858, 80787, 161574, 488569, 977138, 1465707, 2931414, 3419983, 6839966, 10259949, 20519898]

約数ペア:

[(1, 20519898), (2, 10259949), (3, 6839966), (6, 3419983), (7, 2931414), (14, 1465707), (21, 977138), (42, 488569), (127, 161574), (254, 80787), (381, 53858), (762, 26929), (889, 23082), (1778, 11541), (2667, 7694), (3847, 5334)]