20381270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22397}}^1$

素因数の和:22424

約数の個数: 32

約数和(自身を含む): 45154368

約数和(自身を除く): 24773098

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22397, 44794, 111985, 156779, 223970, 291161, 313558, 582322, 783895, 1455805, 1567790, 2038127, 2911610, 4076254, 10190635, 20381270]

約数ペア:

[(1, 20381270), (2, 10190635), (5, 4076254), (7, 2911610), (10, 2038127), (13, 1567790), (14, 1455805), (26, 783895), (35, 582322), (65, 313558), (70, 291161), (91, 223970), (130, 156779), (182, 111985), (455, 44794), (910, 22397)]