20188495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 26593920

約数和(自身を除く): 6405425

約数列:

[1, 5, 29, 37, 53, 71, 145, 185, 265, 355, 1073, 1537, 1961, 2059, 2627, 3763, 5365, 7685, 9805, 10295, 13135, 18815, 56869, 76183, 109127, 139231, 284345, 380915, 545635, 696155, 4037699, 20188495]

約数ペア:

[(1, 20188495), (5, 4037699), (29, 696155), (37, 545635), (53, 380915), (71, 284345), (145, 139231), (185, 109127), (265, 76183), (355, 56869), (1073, 18815), (1537, 13135), (1961, 10295), (2059, 9805), (2627, 7685), (3763, 5365)]