20856712

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4253}}^1$

素因数の和:4872

約数の個数: 16

約数和(自身を含む): 39179340

約数和(自身を除く): 18322628

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4253, 4904, 8506, 17012, 34024, 2607089, 5214178, 10428356, 20856712]

約数ペア:

[(1, 20856712), (2, 10428356), (4, 5214178), (8, 2607089), (613, 34024), (1226, 17012), (2452, 8506), (4253, 4904)]