20201510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2203}}^1$

素因数の和:2348

約数の個数: 32

約数和(自身を含む): 41893632

約数和(自身を除く): 21692122

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2203, 4406, 4585, 9170, 11015, 15421, 22030, 30842, 77105, 154210, 288593, 577186, 1442965, 2020151, 2885930, 4040302, 10100755, 20201510]

約数ペア:

[(1, 20201510), (2, 10100755), (5, 4040302), (7, 2885930), (10, 2020151), (14, 1442965), (35, 577186), (70, 288593), (131, 154210), (262, 77105), (655, 30842), (917, 22030), (1310, 15421), (1834, 11015), (2203, 9170), (4406, 4585)]