20227419

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 33196800

約数和(自身を除く): 12969381

約数列:

[1, 3, 9, 19, 23, 37, 57, 69, 111, 139, 171, 207, 333, 417, 437, 703, 851, 1251, 1311, 2109, 2553, 2641, 3197, 3933, 5143, 6327, 7659, 7923, 9591, 15429, 16169, 23769, 28773, 46287, 48507, 60743, 97717, 118289, 145521, 182229, 293151, 354867, 546687, 879453, 1064601, 2247491, 6742473, 20227419]

約数ペア:

[(1, 20227419), (3, 6742473), (9, 2247491), (19, 1064601), (23, 879453), (37, 546687), (57, 354867), (69, 293151), (111, 182229), (139, 145521), (171, 118289), (207, 97717), (333, 60743), (417, 48507), (437, 46287), (703, 28773), (851, 23769), (1251, 16169), (1311, 15429), (2109, 9591), (2553, 7923), (2641, 7659), (3197, 6327), (3933, 5143)]