20807622

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5531}}^1$

素因数の和:5569

約数の個数: 48

約数和(自身を含む): 51779520

約数和(自身を除く): 30971898

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 5531, 11062, 16593, 33186, 49779, 60841, 99558, 105089, 121682, 182523, 210178, 315267, 365046, 547569, 630534, 945801, 1095138, 1155979, 1891602, 2311958, 3467937, 6935874, 10403811, 20807622]

約数ペア:

[(1, 20807622), (2, 10403811), (3, 6935874), (6, 3467937), (9, 2311958), (11, 1891602), (18, 1155979), (19, 1095138), (22, 945801), (33, 630534), (38, 547569), (57, 365046), (66, 315267), (99, 210178), (114, 182523), (171, 121682), (198, 105089), (209, 99558), (342, 60841), (418, 49779), (627, 33186), (1254, 16593), (1881, 11062), (3762, 5531)]