20984236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57649}}^1$

素因数の和:57673

約数の個数: 24

約数和(自身を含む): 45197600

約数和(自身を除く): 24213364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57649, 115298, 230596, 403543, 749437, 807086, 1498874, 1614172, 2997748, 5246059, 10492118, 20984236]

約数ペア:

[(1, 20984236), (2, 10492118), (4, 5246059), (7, 2997748), (13, 1614172), (14, 1498874), (26, 807086), (28, 749437), (52, 403543), (91, 230596), (182, 115298), (364, 57649)]