20352249

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 32144000

約数和(自身を除く): 11791751

約数列:

[1, 3, 9, 19, 27, 57, 97, 171, 291, 409, 513, 873, 1227, 1843, 2619, 3681, 5529, 7771, 11043, 16587, 23313, 39673, 49761, 69939, 119019, 209817, 357057, 753787, 1071171, 2261361, 6784083, 20352249]

約数ペア:

[(1, 20352249), (3, 6784083), (9, 2261361), (19, 1071171), (27, 753787), (57, 357057), (97, 209817), (171, 119019), (291, 69939), (409, 49761), (513, 39673), (873, 23313), (1227, 16587), (1843, 11043), (2619, 7771), (3681, 5529)]