20228836120

素因数分解:

$2^3\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{197779}}^1$

素因数の和:200347

約数の個数: 32

約数和(自身を含む): 45532911600

約数和(自身を除く): 25304075480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2557, 5114, 10228, 12785, 20456, 25570, 51140, 102280, 197779, 395558, 791116, 988895, 1582232, 1977790, 3955580, 7911160, 505720903, 1011441806, 2022883612, 2528604515, 4045767224, 5057209030, 10114418060, 20228836120]

約数ペア:

[(1, 20228836120), (2, 10114418060), (4, 5057209030), (5, 4045767224), (8, 2528604515), (10, 2022883612), (20, 1011441806), (40, 505720903), (2557, 7911160), (5114, 3955580), (10228, 1977790), (12785, 1582232), (20456, 988895), (25570, 791116), (51140, 395558), (102280, 197779)]