20109582325

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{39313}}^1$

素因数の和:39446

約数の個数: 48

約数和(自身を含む): 29639610880

約数和(自身を除く): 9530028555

約数列:

[1, 5, 7, 25, 35, 37, 79, 175, 185, 259, 395, 553, 925, 1295, 1975, 2765, 2923, 6475, 13825, 14615, 20461, 39313, 73075, 102305, 196565, 275191, 511525, 982825, 1375955, 1454581, 3105727, 6879775, 7272905, 10182067, 15528635, 21740089, 36364525, 50910335, 77643175, 108700445, 114911899, 254551675, 543502225, 574559495, 804383293, 2872797475, 4021916465, 20109582325]

約数ペア:

[(1, 20109582325), (5, 4021916465), (7, 2872797475), (25, 804383293), (35, 574559495), (37, 543502225), (79, 254551675), (175, 114911899), (185, 108700445), (259, 77643175), (395, 50910335), (553, 36364525), (925, 21740089), (1295, 15528635), (1975, 10182067), (2765, 7272905), (2923, 6879775), (6475, 3105727), (13825, 1454581), (14615, 1375955), (20461, 982825), (39313, 511525), (73075, 275191), (102305, 196565)]