20109315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 14692605

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 1907, 2109, 3515, 5721, 9535, 10545, 28605, 36233, 70559, 108699, 181165, 211677, 352795, 543495, 1058385, 1340621, 4021863, 6703105, 20109315]

約数ペア:

[(1, 20109315), (3, 6703105), (5, 4021863), (15, 1340621), (19, 1058385), (37, 543495), (57, 352795), (95, 211677), (111, 181165), (185, 108699), (285, 70559), (555, 36233), (703, 28605), (1907, 10545), (2109, 9535), (3515, 5721)]