22019620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22469}}^1$

素因数の和:22492

約数の個数: 36

約数和(自身を含む): 53793180

約数和(自身を除く): 31773560

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22469, 44938, 89876, 112345, 157283, 224690, 314566, 449380, 629132, 786415, 1100981, 1572830, 2201962, 3145660, 4403924, 5504905, 11009810, 22019620]

約数ペア:

[(1, 22019620), (2, 11009810), (4, 5504905), (5, 4403924), (7, 3145660), (10, 2201962), (14, 1572830), (20, 1100981), (28, 786415), (35, 629132), (49, 449380), (70, 314566), (98, 224690), (140, 157283), (196, 112345), (245, 89876), (490, 44938), (980, 22469)]