20505624

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2089}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 51414000

約数和(自身を除く): 30908376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2089, 2454, 3272, 4178, 4908, 6267, 8356, 9816, 12534, 16712, 25068, 50136, 854401, 1708802, 2563203, 3417604, 5126406, 6835208, 10252812, 20505624]

約数ペア:

[(1, 20505624), (2, 10252812), (3, 6835208), (4, 5126406), (6, 3417604), (8, 2563203), (12, 1708802), (24, 854401), (409, 50136), (818, 25068), (1227, 16712), (1636, 12534), (2089, 9816), (2454, 8356), (3272, 6267), (4178, 4908)]