202115135020

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{19854139}}^1$

素因数の和:19854657

約数の個数: 24

約数和(自身を含む): 425275678800

約数和(自身を除く): 223160543780

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 19854139, 39708278, 79416556, 99270695, 198541390, 397082780, 10105756751, 20211513502, 40423027004, 50528783755, 101057567510, 202115135020]

約数ペア:

[(1, 202115135020), (2, 101057567510), (4, 50528783755), (5, 40423027004), (10, 20211513502), (20, 10105756751), (509, 397082780), (1018, 198541390), (2036, 99270695), (2545, 79416556), (5090, 39708278), (10180, 19854139)]