20163962440

素因数分解:

$2^3\times 5^1\times {\mathrm{23339}}^1\times {\mathrm{21599}}^1$

素因数の和:44949

約数の個数: 32

約数和(自身を含む): 45372960000

約数和(自身を除く): 25208997560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21599, 23339, 43198, 46678, 86396, 93356, 107995, 116695, 172792, 186712, 215990, 233390, 431980, 466780, 863960, 933560, 504099061, 1008198122, 2016396244, 2520495305, 4032792488, 5040990610, 10081981220, 20163962440]

約数ペア:

[(1, 20163962440), (2, 10081981220), (4, 5040990610), (5, 4032792488), (8, 2520495305), (10, 2016396244), (20, 1008198122), (40, 504099061), (21599, 933560), (23339, 863960), (43198, 466780), (46678, 431980), (86396, 233390), (93356, 215990), (107995, 186712), (116695, 172792)]