20081740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{751}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 48513024

約数和(自身を除く): 28431284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 751, 764, 955, 1337, 1502, 1910, 2674, 3004, 3755, 3820, 5257, 5348, 6685, 7510, 10514, 13370, 15020, 21028, 26285, 26740, 52570, 105140, 143441, 286882, 573764, 717205, 1004087, 1434410, 2008174, 2868820, 4016348, 5020435, 10040870, 20081740]

約数ペア:

[(1, 20081740), (2, 10040870), (4, 5020435), (5, 4016348), (7, 2868820), (10, 2008174), (14, 1434410), (20, 1004087), (28, 717205), (35, 573764), (70, 286882), (140, 143441), (191, 105140), (382, 52570), (751, 26740), (764, 26285), (955, 21028), (1337, 15020), (1502, 13370), (1910, 10514), (2674, 7510), (3004, 6685), (3755, 5348), (3820, 5257)]