20128103415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1726993}}^1$

素因数の和:1727048

約数の個数: 48

約数和(自身を含む): 40950481728

約数和(自身を除く): 20822378313

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 2331, 3885, 11655, 1726993, 5180979, 8634965, 12088951, 15542937, 25904895, 36266853, 60444755, 63898741, 77714685, 108800559, 181334265, 191696223, 319493705, 447291187, 544002795, 575088669, 958481115, 1341873561, 2236455935, 2875443345, 4025620683, 6709367805, 20128103415]

約数ペア:

[(1, 20128103415), (3, 6709367805), (5, 4025620683), (7, 2875443345), (9, 2236455935), (15, 1341873561), (21, 958481115), (35, 575088669), (37, 544002795), (45, 447291187), (63, 319493705), (105, 191696223), (111, 181334265), (185, 108800559), (259, 77714685), (315, 63898741), (333, 60444755), (555, 36266853), (777, 25904895), (1295, 15542937), (1665, 12088951), (2331, 8634965), (3885, 5180979), (11655, 1726993)]