20246590315

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^2\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 28283411520

約数和(自身を除く): 8036821205

約数列:

[1, 5, 7, 35, 109, 181, 269, 545, 763, 905, 1267, 1345, 1883, 3815, 6335, 9415, 11881, 19729, 29321, 48689, 59405, 83167, 98645, 138103, 146605, 205247, 243445, 340823, 415835, 690515, 1026235, 1704115, 2150461, 3195989, 5307101, 10752305, 15053227, 15979945, 22371923, 26535505, 37149707, 75266135, 111859615, 185748535, 578474009, 2892370045, 4049318063, 20246590315]

約数ペア:

[(1, 20246590315), (5, 4049318063), (7, 2892370045), (35, 578474009), (109, 185748535), (181, 111859615), (269, 75266135), (545, 37149707), (763, 26535505), (905, 22371923), (1267, 15979945), (1345, 15053227), (1883, 10752305), (3815, 5307101), (6335, 3195989), (9415, 2150461), (11881, 1704115), (19729, 1026235), (29321, 690515), (48689, 415835), (59405, 340823), (83167, 243445), (98645, 205247), (138103, 146605)]