20199271790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{224711}}^1$

素因数の和:224908

約数の個数: 32

約数和(自身を含む): 37131410880

約数和(自身を除く): 16932139090

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 890, 1010, 8989, 17978, 44945, 89890, 224711, 449422, 1123555, 2247110, 19999279, 22695811, 39998558, 45391622, 99996395, 113479055, 199992790, 226958110, 2019927179, 4039854358, 10099635895, 20199271790]

約数ペア:

[(1, 20199271790), (2, 10099635895), (5, 4039854358), (10, 2019927179), (89, 226958110), (101, 199992790), (178, 113479055), (202, 99996395), (445, 45391622), (505, 39998558), (890, 22695811), (1010, 19999279), (8989, 2247110), (17978, 1123555), (44945, 449422), (89890, 224711)]