20157570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2309}}^1$

素因数の和:2419

約数の個数: 48

約数和(自身を含む): 52972920

約数和(自身を除く): 32815350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2309, 2910, 4365, 4618, 6927, 8730, 11545, 13854, 20781, 23090, 34635, 41562, 69270, 103905, 207810, 223973, 447946, 671919, 1119865, 1343838, 2015757, 2239730, 3359595, 4031514, 6719190, 10078785, 20157570]

約数ペア:

[(1, 20157570), (2, 10078785), (3, 6719190), (5, 4031514), (6, 3359595), (9, 2239730), (10, 2015757), (15, 1343838), (18, 1119865), (30, 671919), (45, 447946), (90, 223973), (97, 207810), (194, 103905), (291, 69270), (485, 41562), (582, 34635), (873, 23090), (970, 20781), (1455, 13854), (1746, 11545), (2309, 8730), (2910, 6927), (4365, 4618)]