13755220

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1063}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 28957824

約数和(自身を除く): 15202604

約数列:

[1, 2, 4, 5, 10, 20, 647, 1063, 1294, 2126, 2588, 3235, 4252, 5315, 6470, 10630, 12940, 21260, 687761, 1375522, 2751044, 3438805, 6877610, 13755220]

約数ペア:

[(1, 13755220), (2, 6877610), (4, 3438805), (5, 2751044), (10, 1375522), (20, 687761), (647, 21260), (1063, 12940), (1294, 10630), (2126, 6470), (2588, 5315), (3235, 4252)]