20402063

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 22851072

約数和(自身を除く): 2449009

約数列:

[1, 11, 71, 151, 173, 781, 1661, 1903, 10721, 12283, 26123, 117931, 135113, 287353, 1854733, 20402063]

約数ペア:

[(1, 20402063), (11, 1854733), (71, 287353), (151, 135113), (173, 117931), (781, 26123), (1661, 12283), (1903, 10721)]