20194644

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3851}}^1$

素因数の和:3900

約数の個数: 48

約数和(自身を含む): 51770880

約数和(自身を除く): 31576236

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3851, 5244, 7702, 11553, 15404, 23106, 46212, 73169, 88573, 146338, 177146, 219507, 265719, 292676, 354292, 439014, 531438, 878028, 1062876, 1682887, 3365774, 5048661, 6731548, 10097322, 20194644]

約数ペア:

[(1, 20194644), (2, 10097322), (3, 6731548), (4, 5048661), (6, 3365774), (12, 1682887), (19, 1062876), (23, 878028), (38, 531438), (46, 439014), (57, 354292), (69, 292676), (76, 265719), (92, 219507), (114, 177146), (138, 146338), (228, 88573), (276, 73169), (437, 46212), (874, 23106), (1311, 15404), (1748, 11553), (2622, 7702), (3851, 5244)]