20219654

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 18563146

約数列:

[1, 2, 7, 13, 14, 26, 49, 59, 91, 98, 118, 182, 269, 413, 538, 637, 767, 826, 1274, 1534, 1883, 2891, 3497, 3766, 5369, 5782, 6994, 10738, 13181, 15871, 24479, 26362, 31742, 37583, 48958, 75166, 111097, 171353, 206323, 222194, 342706, 412646, 777679, 1444261, 1555358, 2888522, 10109827, 20219654]

約数ペア:

[(1, 20219654), (2, 10109827), (7, 2888522), (13, 1555358), (14, 1444261), (26, 777679), (49, 412646), (59, 342706), (91, 222194), (98, 206323), (118, 171353), (182, 111097), (269, 75166), (413, 48958), (538, 37583), (637, 31742), (767, 26362), (826, 24479), (1274, 15871), (1534, 13181), (1883, 10738), (2891, 6994), (3497, 5782), (3766, 5369)]