20375565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4733}}^1$

素因数の和:4789

約数の個数: 32

約数和(自身を含む): 38174976

約数和(自身を除く): 17799411

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4733, 14199, 23665, 33131, 70995, 99393, 165655, 194053, 496965, 582159, 970265, 1358371, 2910795, 4075113, 6791855, 20375565]

約数ペア:

[(1, 20375565), (3, 6791855), (5, 4075113), (7, 2910795), (15, 1358371), (21, 970265), (35, 582159), (41, 496965), (105, 194053), (123, 165655), (205, 99393), (287, 70995), (615, 33131), (861, 23665), (1435, 14199), (4305, 4733)]