20195820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112199}}^1$

素因数の和:112214

約数の個数: 36

約数和(自身を含む): 61261200

約数和(自身を除く): 41065380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112199, 224398, 336597, 448796, 560995, 673194, 1009791, 1121990, 1346388, 1682985, 2019582, 2243980, 3365970, 4039164, 5048955, 6731940, 10097910, 20195820]

約数ペア:

[(1, 20195820), (2, 10097910), (3, 6731940), (4, 5048955), (5, 4039164), (6, 3365970), (9, 2243980), (10, 2019582), (12, 1682985), (15, 1346388), (18, 1121990), (20, 1009791), (30, 673194), (36, 560995), (45, 448796), (60, 336597), (90, 224398), (180, 112199)]