20980272

素因数分解:

$2^4\times 3^1\times {\mathrm{337}}^1\times {\mathrm{1297}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 54401776

約数和(自身を除く): 33421504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 337, 674, 1011, 1297, 1348, 2022, 2594, 2696, 3891, 4044, 5188, 5392, 7782, 8088, 10376, 15564, 16176, 20752, 31128, 62256, 437089, 874178, 1311267, 1748356, 2622534, 3496712, 5245068, 6993424, 10490136, 20980272]

約数ペア:

[(1, 20980272), (2, 10490136), (3, 6993424), (4, 5245068), (6, 3496712), (8, 2622534), (12, 1748356), (16, 1311267), (24, 874178), (48, 437089), (337, 62256), (674, 31128), (1011, 20752), (1297, 16176), (1348, 15564), (2022, 10376), (2594, 8088), (2696, 7782), (3891, 5392), (4044, 5188)]