20089036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 21061556

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 107, 187, 214, 251, 374, 428, 502, 748, 1004, 1177, 1819, 2354, 2761, 3638, 4267, 4708, 5522, 7276, 8534, 11044, 17068, 20009, 26857, 40018, 46937, 53714, 80036, 93874, 107428, 187748, 295427, 456569, 590854, 913138, 1181708, 1826276, 5022259, 10044518, 20089036]

約数ペア:

[(1, 20089036), (2, 10044518), (4, 5022259), (11, 1826276), (17, 1181708), (22, 913138), (34, 590854), (44, 456569), (68, 295427), (107, 187748), (187, 107428), (214, 93874), (251, 80036), (374, 53714), (428, 46937), (502, 40018), (748, 26857), (1004, 20009), (1177, 17068), (1819, 11044), (2354, 8534), (2761, 7276), (3638, 5522), (4267, 4708)]