20120884569

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{44917}}^1$

素因数の和:45326

約数の個数: 32

約数和(自身を含む): 30529866240

約数和(自身を除く): 10408981671

約数列:

[1, 3, 9, 27, 47, 141, 353, 423, 1059, 1269, 3177, 9531, 16591, 44917, 49773, 134751, 149319, 404253, 447957, 1212759, 2111099, 6333297, 15855701, 18999891, 47567103, 56999673, 142701309, 428103927, 745217947, 2235653841, 6706961523, 20120884569]

約数ペア:

[(1, 20120884569), (3, 6706961523), (9, 2235653841), (27, 745217947), (47, 428103927), (141, 142701309), (353, 56999673), (423, 47567103), (1059, 18999891), (1269, 15855701), (3177, 6333297), (9531, 2111099), (16591, 1212759), (44917, 447957), (49773, 404253), (134751, 149319)]