20156188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 21615332

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 247, 299, 437, 494, 598, 874, 887, 988, 1196, 1748, 1774, 3548, 5681, 11362, 11531, 16853, 20401, 22724, 23062, 33706, 40802, 46124, 67412, 81604, 219089, 265213, 387619, 438178, 530426, 775238, 876356, 1060852, 1550476, 5039047, 10078094, 20156188]

約数ペア:

[(1, 20156188), (2, 10078094), (4, 5039047), (13, 1550476), (19, 1060852), (23, 876356), (26, 775238), (38, 530426), (46, 438178), (52, 387619), (76, 265213), (92, 219089), (247, 81604), (299, 67412), (437, 46124), (494, 40802), (598, 33706), (874, 23062), (887, 22724), (988, 20401), (1196, 16853), (1748, 11531), (1774, 11362), (3548, 5681)]