20355346

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:295

約数の個数: 36

約数和(自身を含む): 35572446

約数和(自身を除く): 15217100

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 233, 242, 361, 418, 466, 722, 2299, 2563, 3971, 4427, 4598, 5126, 7942, 8854, 28193, 43681, 48697, 56386, 84113, 87362, 97394, 168226, 535667, 925243, 1071334, 1850486, 10177673, 20355346]

約数ペア:

[(1, 20355346), (2, 10177673), (11, 1850486), (19, 1071334), (22, 925243), (38, 535667), (121, 168226), (209, 97394), (233, 87362), (242, 84113), (361, 56386), (418, 48697), (466, 43681), (722, 28193), (2299, 8854), (2563, 7942), (3971, 5126), (4427, 4598)]