20555352

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4104

約数の個数: 48

約数和(自身を含む): 56468880

約数和(自身を除く): 35913528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4021, 5112, 8042, 12063, 16084, 24126, 32168, 36189, 48252, 72378, 96504, 144756, 285491, 289512, 570982, 856473, 1141964, 1712946, 2283928, 2569419, 3425892, 5138838, 6851784, 10277676, 20555352]

約数ペア:

[(1, 20555352), (2, 10277676), (3, 6851784), (4, 5138838), (6, 3425892), (8, 2569419), (9, 2283928), (12, 1712946), (18, 1141964), (24, 856473), (36, 570982), (71, 289512), (72, 285491), (142, 144756), (213, 96504), (284, 72378), (426, 48252), (568, 36189), (639, 32168), (852, 24126), (1278, 16084), (1704, 12063), (2556, 8042), (4021, 5112)]