20251928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 39567360

約数和(自身を除く): 19315432

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 643, 1016, 1286, 2572, 3937, 5144, 7874, 15748, 19933, 31496, 39866, 79732, 81661, 159464, 163322, 326644, 653288, 2531491, 5062982, 10125964, 20251928]

約数ペア:

[(1, 20251928), (2, 10125964), (4, 5062982), (8, 2531491), (31, 653288), (62, 326644), (124, 163322), (127, 159464), (248, 81661), (254, 79732), (508, 39866), (643, 31496), (1016, 19933), (1286, 15748), (2572, 7874), (3937, 5144)]