20107746500

素因数分解:

$2^2\times 5^3\times {\mathrm{367}}^1\times {\mathrm{109579}}^1$

素因数の和:109965

約数の個数: 48

約数和(自身を含む): 44035380480

約数和(自身を除く): 23927633980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 367, 500, 734, 1468, 1835, 3670, 7340, 9175, 18350, 36700, 45875, 91750, 109579, 183500, 219158, 438316, 547895, 1095790, 2191580, 2739475, 5478950, 10957900, 13697375, 27394750, 40215493, 54789500, 80430986, 160861972, 201077465, 402154930, 804309860, 1005387325, 2010774650, 4021549300, 5026936625, 10053873250, 20107746500]

約数ペア:

[(1, 20107746500), (2, 10053873250), (4, 5026936625), (5, 4021549300), (10, 2010774650), (20, 1005387325), (25, 804309860), (50, 402154930), (100, 201077465), (125, 160861972), (250, 80430986), (367, 54789500), (500, 40215493), (734, 27394750), (1468, 13697375), (1835, 10957900), (3670, 5478950), (7340, 2739475), (9175, 2191580), (18350, 1095790), (36700, 547895), (45875, 438316), (91750, 219158), (109579, 183500)]