20287364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1543}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 37611840

約数和(自身を除く): 17324476

約数列:

[1, 2, 4, 19, 38, 76, 173, 346, 692, 1543, 3086, 3287, 6172, 6574, 13148, 29317, 58634, 117268, 266939, 533878, 1067756, 5071841, 10143682, 20287364]

約数ペア:

[(1, 20287364), (2, 10143682), (4, 5071841), (19, 1067756), (38, 533878), (76, 266939), (173, 117268), (346, 58634), (692, 29317), (1543, 13148), (3086, 6574), (3287, 6172)]