20219745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14813}}^1$

素因数の和:14841

約数の個数: 32

約数和(自身を含む): 39820032

約数和(自身を除く): 19600287

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14813, 44439, 74065, 103691, 192569, 222195, 311073, 518455, 577707, 962845, 1347983, 1555365, 2888535, 4043949, 6739915, 20219745]

約数ペア:

[(1, 20219745), (3, 6739915), (5, 4043949), (7, 2888535), (13, 1555365), (15, 1347983), (21, 962845), (35, 577707), (39, 518455), (65, 311073), (91, 222195), (105, 192569), (195, 103691), (273, 74065), (455, 44439), (1365, 14813)]