20611599

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10492401

約数列:

[1, 3, 17, 19, 51, 57, 89, 239, 267, 323, 717, 969, 1513, 1691, 4063, 4539, 4541, 5073, 12189, 13623, 21271, 28747, 63813, 77197, 86241, 231591, 361607, 404149, 1084821, 1212447, 6870533, 20611599]

約数ペア:

[(1, 20611599), (3, 6870533), (17, 1212447), (19, 1084821), (51, 404149), (57, 361607), (89, 231591), (239, 86241), (267, 77197), (323, 63813), (717, 28747), (969, 21271), (1513, 13623), (1691, 12189), (4063, 5073), (4539, 4541)]