20195210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2801}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 41962752

約数和(自身を除く): 21767542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2801, 3605, 5602, 7210, 14005, 19607, 28010, 39214, 98035, 196070, 288503, 577006, 1442515, 2019521, 2885030, 4039042, 10097605, 20195210]

約数ペア:

[(1, 20195210), (2, 10097605), (5, 4039042), (7, 2885030), (10, 2019521), (14, 1442515), (35, 577006), (70, 288503), (103, 196070), (206, 98035), (515, 39214), (721, 28010), (1030, 19607), (1442, 14005), (2801, 7210), (3605, 5602)]