20273500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3151

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 27425060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3119, 3250, 6238, 6500, 12476, 15595, 31190, 40547, 62380, 77975, 81094, 155950, 162188, 202735, 311900, 389875, 405470, 779750, 810940, 1013675, 1559500, 2027350, 4054700, 5068375, 10136750, 20273500]

約数ペア:

[(1, 20273500), (2, 10136750), (4, 5068375), (5, 4054700), (10, 2027350), (13, 1559500), (20, 1013675), (25, 810940), (26, 779750), (50, 405470), (52, 389875), (65, 311900), (100, 202735), (125, 162188), (130, 155950), (250, 81094), (260, 77975), (325, 62380), (500, 40547), (650, 31190), (1300, 15595), (1625, 12476), (3119, 6500), (3250, 6238)]