4321720208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{20777501}}^1$

素因数の和:20777522

約数の個数: 20

約数和(自身を含む): 9017435868

約数和(自身を除く): 4695715660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 20777501, 41555002, 83110004, 166220008, 270107513, 332440016, 540215026, 1080430052, 2160860104, 4321720208]

約数ペア:

[(1, 4321720208), (2, 2160860104), (4, 1080430052), (8, 540215026), (13, 332440016), (16, 270107513), (26, 166220008), (52, 83110004), (104, 41555002), (208, 20777501)]