20137509980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3508277}}^1$

素因数の和:3508334

約数の個数: 48

約数和(自身を含む): 49508819136

約数和(自身を除く): 29371309156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 3508277, 7016554, 14033108, 17541385, 24557939, 35082770, 49115878, 70165540, 98231756, 122789695, 143839357, 245579390, 287678714, 491158780, 575357428, 719196785, 1006875499, 1438393570, 2013750998, 2876787140, 4027501996, 5034377495, 10068754990, 20137509980]

約数ペア:

[(1, 20137509980), (2, 10068754990), (4, 5034377495), (5, 4027501996), (7, 2876787140), (10, 2013750998), (14, 1438393570), (20, 1006875499), (28, 719196785), (35, 575357428), (41, 491158780), (70, 287678714), (82, 245579390), (140, 143839357), (164, 122789695), (205, 98231756), (287, 70165540), (410, 49115878), (574, 35082770), (820, 24557939), (1148, 17541385), (1435, 14033108), (2870, 7016554), (5740, 3508277)]