20963754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9787}}^1$

素因数の和:9819

約数の個数: 48

約数和(自身を含む): 54969408

約数和(自身を除く): 34005654

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9787, 19574, 29361, 58722, 68509, 88083, 137018, 166379, 176166, 205527, 332758, 411054, 499137, 616581, 998274, 1164653, 1233162, 1497411, 2329306, 2994822, 3493959, 6987918, 10481877, 20963754]

約数ペア:

[(1, 20963754), (2, 10481877), (3, 6987918), (6, 3493959), (7, 2994822), (9, 2329306), (14, 1497411), (17, 1233162), (18, 1164653), (21, 998274), (34, 616581), (42, 499137), (51, 411054), (63, 332758), (102, 205527), (119, 176166), (126, 166379), (153, 137018), (238, 88083), (306, 68509), (357, 58722), (714, 29361), (1071, 19574), (2142, 9787)]