20153237900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{269}}^1\times {\mathrm{3803}}^1$

素因数の和:4283

約数の個数: 72

約数和(自身を含む): 44129519280

約数和(自身を除く): 23976281380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 269, 394, 538, 788, 985, 1076, 1345, 1970, 2690, 3803, 3940, 4925, 5380, 6725, 7606, 9850, 13450, 15212, 19015, 19700, 26900, 38030, 52993, 76060, 95075, 105986, 190150, 211972, 264965, 380300, 529930, 749191, 1023007, 1059860, 1324825, 1498382, 2046014, 2649650, 2996764, 3745955, 4092028, 5115035, 5299300, 7491910, 10230070, 14983820, 18729775, 20460140, 25575175, 37459550, 51150350, 74919100, 102300700, 201532379, 403064758, 806129516, 1007661895, 2015323790, 4030647580, 5038309475, 10076618950, 20153237900]

約数ペア:

[(1, 20153237900), (2, 10076618950), (4, 5038309475), (5, 4030647580), (10, 2015323790), (20, 1007661895), (25, 806129516), (50, 403064758), (100, 201532379), (197, 102300700), (269, 74919100), (394, 51150350), (538, 37459550), (788, 25575175), (985, 20460140), (1076, 18729775), (1345, 14983820), (1970, 10230070), (2690, 7491910), (3803, 5299300), (3940, 5115035), (4925, 4092028), (5380, 3745955), (6725, 2996764), (7606, 2649650), (9850, 2046014), (13450, 1498382), (15212, 1324825), (19015, 1059860), (19700, 1023007), (26900, 749191), (38030, 529930), (52993, 380300), (76060, 264965), (95075, 211972), (105986, 190150)]