20654270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22697}}^1$

素因数の和:22724

約数の個数: 32

約数和(自身を含む): 45759168

約数和(自身を除く): 25104898

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22697, 45394, 113485, 158879, 226970, 295061, 317758, 590122, 794395, 1475305, 1588790, 2065427, 2950610, 4130854, 10327135, 20654270]

約数ペア:

[(1, 20654270), (2, 10327135), (5, 4130854), (7, 2950610), (10, 2065427), (13, 1588790), (14, 1475305), (26, 794395), (35, 590122), (65, 317758), (70, 295061), (91, 226970), (130, 158879), (182, 113485), (455, 45394), (910, 22697)]