20112587740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1\times {\mathrm{787}}^1$

素因数の和:1739

約数の個数: 96

約数和(自身を含む): 48579632640

約数和(自身を除く): 28467044900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 659, 787, 1108, 1318, 1385, 1574, 1939, 2636, 2770, 3148, 3295, 3878, 3935, 4613, 5509, 5540, 6590, 7756, 7870, 9226, 9695, 11018, 13180, 15740, 18452, 19390, 22036, 23065, 27545, 38780, 46130, 55090, 92260, 110180, 182543, 217999, 365086, 435998, 518633, 730172, 871996, 912715, 1037266, 1089995, 1277801, 1525993, 1825430, 2074532, 2179990, 2555602, 2593165, 3051986, 3630431, 3650860, 4359980, 5111204, 5186330, 6103972, 6389005, 7260862, 7629965, 10372660, 12778010, 14521724, 15259930, 18152155, 25556020, 30519860, 36304310, 72608620, 143661341, 287322682, 574645364, 718306705, 1005629387, 1436613410, 2011258774, 2873226820, 4022517548, 5028146935, 10056293870, 20112587740]

約数ペア:

[(1, 20112587740), (2, 10056293870), (4, 5028146935), (5, 4022517548), (7, 2873226820), (10, 2011258774), (14, 1436613410), (20, 1005629387), (28, 718306705), (35, 574645364), (70, 287322682), (140, 143661341), (277, 72608620), (554, 36304310), (659, 30519860), (787, 25556020), (1108, 18152155), (1318, 15259930), (1385, 14521724), (1574, 12778010), (1939, 10372660), (2636, 7629965), (2770, 7260862), (3148, 6389005), (3295, 6103972), (3878, 5186330), (3935, 5111204), (4613, 4359980), (5509, 3650860), (5540, 3630431), (6590, 3051986), (7756, 2593165), (7870, 2555602), (9226, 2179990), (9695, 2074532), (11018, 1825430), (13180, 1525993), (15740, 1277801), (18452, 1089995), (19390, 1037266), (22036, 912715), (23065, 871996), (27545, 730172), (38780, 518633), (46130, 435998), (55090, 365086), (92260, 217999), (110180, 182543)]