20750565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6619}}^1$

素因数の和:6657

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 17380635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6619, 19857, 33095, 72809, 99285, 125761, 218427, 364045, 377283, 628805, 1092135, 1383371, 1886415, 4150113, 6916855, 20750565]

約数ペア:

[(1, 20750565), (3, 6916855), (5, 4150113), (11, 1886415), (15, 1383371), (19, 1092135), (33, 628805), (55, 377283), (57, 364045), (95, 218427), (165, 125761), (209, 99285), (285, 72809), (627, 33095), (1045, 19857), (3135, 6619)]