20259716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1187}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 17461660

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 1187, 2374, 4267, 4748, 8534, 17068, 20179, 40358, 80716, 297937, 595874, 1191748, 5064929, 10129858, 20259716]

約数ペア:

[(1, 20259716), (2, 10129858), (4, 5064929), (17, 1191748), (34, 595874), (68, 297937), (251, 80716), (502, 40358), (1004, 20179), (1187, 17068), (2374, 8534), (4267, 4748)]