20172620875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{16069}}^1$

素因数の和:16189

約数の個数: 48

約数和(自身を含む): 28007310240

約数和(自身を除く): 7834689365

約数列:

[1, 5, 11, 25, 55, 83, 121, 125, 275, 415, 605, 913, 1375, 2075, 3025, 4565, 10043, 10375, 15125, 16069, 22825, 50215, 80345, 114125, 176759, 251075, 401725, 883795, 1255375, 1333727, 1944349, 2008625, 4418975, 6668635, 9721745, 14670997, 22094875, 33343175, 48608725, 73354985, 161380967, 166715875, 243043625, 366774925, 806904835, 1833874625, 4034524175, 20172620875]

約数ペア:

[(1, 20172620875), (5, 4034524175), (11, 1833874625), (25, 806904835), (55, 366774925), (83, 243043625), (121, 166715875), (125, 161380967), (275, 73354985), (415, 48608725), (605, 33343175), (913, 22094875), (1375, 14670997), (2075, 9721745), (3025, 6668635), (4565, 4418975), (10043, 2008625), (10375, 1944349), (15125, 1333727), (16069, 1255375), (22825, 883795), (50215, 401725), (80345, 251075), (114125, 176759)]