20216247

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 31057920

約数和(自身を除く): 10841673

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 673, 969, 1581, 1767, 2019, 10013, 11441, 12787, 20863, 30039, 34323, 38361, 62589, 217379, 354671, 396397, 652137, 1064013, 1189191, 6738749, 20216247]

約数ペア:

[(1, 20216247), (3, 6738749), (17, 1189191), (19, 1064013), (31, 652137), (51, 396397), (57, 354671), (93, 217379), (323, 62589), (527, 38361), (589, 34323), (673, 30039), (969, 20863), (1581, 12787), (1767, 11441), (2019, 10013)]