20201900

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{751}}^1$

素因数の和:1034

約数の個数: 36

約数和(自身を含む): 44059680

約数和(自身を除く): 23857780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 751, 1076, 1345, 1502, 2690, 3004, 3755, 5380, 6725, 7510, 13450, 15020, 18775, 26900, 37550, 75100, 202019, 404038, 808076, 1010095, 2020190, 4040380, 5050475, 10100950, 20201900]

約数ペア:

[(1, 20201900), (2, 10100950), (4, 5050475), (5, 4040380), (10, 2020190), (20, 1010095), (25, 808076), (50, 404038), (100, 202019), (269, 75100), (538, 37550), (751, 26900), (1076, 18775), (1345, 15020), (1502, 13450), (2690, 7510), (3004, 6725), (3755, 5380)]