2054172020

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{390527}}^1$

素因数の和:390799

約数の個数: 24

約数和(自身を含む): 4330174464

約数和(自身を除く): 2276002444

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 390527, 781054, 1562108, 1952635, 3905270, 7810540, 102708601, 205417202, 410834404, 513543005, 1027086010, 2054172020]

約数ペア:

[(1, 2054172020), (2, 1027086010), (4, 513543005), (5, 410834404), (10, 205417202), (20, 102708601), (263, 7810540), (526, 3905270), (1052, 1952635), (1315, 1562108), (2630, 781054), (5260, 390527)]